diff --git a/iso_configs/desktop_base/joy-theme/grub/grub-16x9.png b/iso_configs/desktop_base/joy-theme/grub/grub-16x9.png
new file mode 100644
index 00000000..0aa63862
Binary files /dev/null and b/iso_configs/desktop_base/joy-theme/grub/grub-16x9.png differ
diff --git a/iso_configs/desktop_base/joy-theme/grub/grub-4x3.png b/iso_configs/desktop_base/joy-theme/grub/grub-4x3.png
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index 00000000..0aa63862
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diff --git a/iso_configs/desktop_base/lines-theme/grub/grub_background.sh b/iso_configs/desktop_base/joy-theme/grub/grub_background.sh
old mode 100755
new mode 100644
similarity index 74%
rename from iso_configs/desktop_base/lines-theme/grub/grub_background.sh
rename to iso_configs/desktop_base/joy-theme/grub/grub_background.sh
index c7ba469d..7ffa19d6
--- a/iso_configs/desktop_base/lines-theme/grub/grub_background.sh
+++ b/iso_configs/desktop_base/joy-theme/grub/grub_background.sh
@@ -1,3 +1,3 @@
 WALLPAPER=/usr/share/images/desktop-base/desktop-grub.png
-COLOR_NORMAL=white/black
+COLOR_NORMAL=light-gray/black
 COLOR_HIGHLIGHT=black/white
diff --git a/iso_configs/desktop_base/joy-theme/lockscreen/contents/images/1280x1024.svg b/iso_configs/desktop_base/joy-theme/lockscreen/contents/images/1280x1024.svg
new file mode 100644
index 00000000..1ac46bae
--- /dev/null
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diff --git a/iso_configs/desktop_base/joy-theme/lockscreen/contents/images/1280x720.svg b/iso_configs/desktop_base/joy-theme/lockscreen/contents/images/1280x720.svg
new file mode 100644
index 00000000..20ad8fcd
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diff --git a/iso_configs/desktop_base/joy-theme/lockscreen/gnome-background.xml b/iso_configs/desktop_base/joy-theme/lockscreen/gnome-background.xml
new file mode 100644
index 00000000..d7ac53c2
--- /dev/null
+++ b/iso_configs/desktop_base/joy-theme/lockscreen/gnome-background.xml
@@ -0,0 +1,13 @@
+<background>
+  <static>
+    <duration>8640000.0</duration>
+    <file>
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+      <size width="1280" height="1024">/usr/share/desktop-base/joy-theme/lockscreen/contents/images/1280x1024.svg</size>
+      <size width="1600" height="1200">/usr/share/desktop-base/joy-theme/lockscreen/contents/images/1600x1200.svg</size>
+      <size width="1920" height="1080">/usr/share/desktop-base/joy-theme/lockscreen/contents/images/1920x1080.svg</size>
+      <size width="1920" height="1200">/usr/share/desktop-base/joy-theme/lockscreen/contents/images/1920x1200.svg</size>
+      <size width="3840" height="2160">/usr/share/desktop-base/joy-theme/lockscreen/contents/images/3840x2160.svg</size>
+    </file>
+  </static>
+</background>
diff --git a/iso_configs/desktop_base/joy-theme/lockscreen/metadata.json b/iso_configs/desktop_base/joy-theme/lockscreen/metadata.json
new file mode 100644
index 00000000..c0985084
--- /dev/null
+++ b/iso_configs/desktop_base/joy-theme/lockscreen/metadata.json
@@ -0,0 +1,14 @@
+{
+    "KPlugin": {
+        "Name": "Joy Lock Screen",
+        "Name[fr]": "\u00c9cran de Verrouillage pour Joie",
+        "Id": "JoyLockScreen",
+        "License": "GPLv2+",
+        "Authors": [
+            {
+                "Name": "Adrien Aubourg",
+                "Email": "adrien.aubourg@gmail.com"
+            }
+        ]
+    }
+}
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new file mode 100644
index 00000000..548d5854
--- /dev/null
+++ b/iso_configs/desktop_base/joy-theme/login/background.svg
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diff --git a/iso_configs/desktop_base/joy-theme/login/sddm-preview.jpg b/iso_configs/desktop_base/joy-theme/login/sddm-preview.jpg
new file mode 100644
index 00000000..4da5a067
Binary files /dev/null and b/iso_configs/desktop_base/joy-theme/login/sddm-preview.jpg differ
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1280x1024.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1280x1024.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1280x1024.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1280x1024.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1200x800.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1280x720.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1200x800.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1280x720.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1600x1200.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1600x1200.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1600x1200.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1600x1200.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1920x1080.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1920x1080.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1920x1080.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1920x1080.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1920x1200.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1920x1200.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/1920x1200.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/1920x1200.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/2560x1080.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/2560x1080.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/2560x1080.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/2560x1080.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/2560x1440.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/2560x1440.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/2560x1440.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/2560x1440.svg
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/contents/images/3840x2160.svg b/iso_configs/desktop_base/joy-theme/wallpaper/contents/images/3840x2160.svg
similarity index 100%
rename from iso_configs/desktop_base/lines-theme/lockscreen/contents/images/3840x2160.svg
rename to iso_configs/desktop_base/joy-theme/wallpaper/contents/images/3840x2160.svg
diff --git a/iso_configs/desktop_base/joy-theme/wallpaper/gnome-background.xml b/iso_configs/desktop_base/joy-theme/wallpaper/gnome-background.xml
new file mode 100644
index 00000000..755b130e
--- /dev/null
+++ b/iso_configs/desktop_base/joy-theme/wallpaper/gnome-background.xml
@@ -0,0 +1,13 @@
+<background>
+  <static>
+    <duration>8640000.0</duration>
+    <file>
+      <size width="1280" height="720">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/1280x720.svg</size>
+      <size width="1280" height="1024">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/1280x1024.svg</size>
+      <size width="1600" height="1200">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/1600x1200.svg</size>
+      <size width="1920" height="1080">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/1920x1080.svg</size>
+      <size width="1920" height="1200">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/1920x1200.svg</size>
+      <size width="3840" height="2160">/usr/share/desktop-base/joy-theme/wallpaper/contents/images/3840x2160.svg</size>
+    </file>
+  </static>
+</background>
diff --git a/iso_configs/desktop_base/joy-theme/wallpaper/metadata.json b/iso_configs/desktop_base/joy-theme/wallpaper/metadata.json
new file mode 100644
index 00000000..0853730b
--- /dev/null
+++ b/iso_configs/desktop_base/joy-theme/wallpaper/metadata.json
@@ -0,0 +1,14 @@
+{
+    "KPlugin": {
+        "Name": "Joy",
+        "Name[fr]": "Joie",
+        "Id": "Joy",
+        "License": "GPLv2+",
+        "Authors": [
+            {
+                "Name": "Adrien Aubourg",
+                "Email": "adrien.aubourg@gmail.com"
+            }
+        ]
+    }
+}
diff --git a/iso_configs/desktop_base/lines-theme/grub/grub-16x9.png b/iso_configs/desktop_base/lines-theme/grub/grub-16x9.png
deleted file mode 100644
index fd4dbb8a..00000000
Binary files a/iso_configs/desktop_base/lines-theme/grub/grub-16x9.png and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/grub/grub-4x3.png b/iso_configs/desktop_base/lines-theme/grub/grub-4x3.png
deleted file mode 100644
index a093a989..00000000
Binary files a/iso_configs/desktop_base/lines-theme/grub/grub-4x3.png and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/grub/pep-grub-16x9.png b/iso_configs/desktop_base/lines-theme/grub/pep-grub-16x9.png
deleted file mode 100644
index 05b68cf5..00000000
Binary files a/iso_configs/desktop_base/lines-theme/grub/pep-grub-16x9.png and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/grub/pep-grub-4x3.png b/iso_configs/desktop_base/lines-theme/grub/pep-grub-4x3.png
deleted file mode 100644
index 0753ee9f..00000000
Binary files a/iso_configs/desktop_base/lines-theme/grub/pep-grub-4x3.png and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/gnome-background.xml b/iso_configs/desktop_base/lines-theme/lockscreen/gnome-background.xml
deleted file mode 100644
index ec0ed5e7..00000000
--- a/iso_configs/desktop_base/lines-theme/lockscreen/gnome-background.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<background>
-  <static>
-    <duration>8640000.0</duration>
-    <file>
-      <size width="1280" height="1024">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/1280x1024.svg</size>
-      <size width="1600" height="1200">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/1600x1200.svg</size>
-      <size width="1920" height="1080">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/1920x1080.svg</size>
-      <size width="1920" height="1200">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/1920x1200.svg</size>
-      <size width="2560" height="1080">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/2560x1080.svg</size>
-      <size width="3840" height="2160">/usr/share/desktop-base/lines-theme/lockscreen/contents/images/3840x2160.svg</size>
-    </file>
-  </static>
-</background>
diff --git a/iso_configs/desktop_base/lines-theme/lockscreen/metadata.desktop b/iso_configs/desktop_base/lines-theme/lockscreen/metadata.desktop
deleted file mode 100755
index 7d0410c9..00000000
--- a/iso_configs/desktop_base/lines-theme/lockscreen/metadata.desktop
+++ /dev/null
@@ -1,7 +0,0 @@
-[Desktop Entry]
-Name=Lines Lock Screen
-Name[fr]=Écran de verrouillage pour Lignes
-X-KDE-PluginInfo-Name=LinesLockScreen
-X-KDE-PluginInfo-Author=Juliette Taka Belin
-X-KDE-PluginInfo-Email=juliettetaka.belin@gmail.com
-X-KDE-PluginInfo-License=GPLv2+
diff --git a/iso_configs/desktop_base/lines-theme/login/background-nologo.svg b/iso_configs/desktop_base/lines-theme/login/background-nologo.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/login/background-nologo.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/login/background.svg b/iso_configs/desktop_base/lines-theme/login/background.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/login/background.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/login/sddm-preview-nologo.jpg b/iso_configs/desktop_base/lines-theme/login/sddm-preview-nologo.jpg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/login/sddm-preview-nologo.jpg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/login/sddm-preview.jpg b/iso_configs/desktop_base/lines-theme/login/sddm-preview.jpg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/login/sddm-preview.jpg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1200x800.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1200x800.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1200x800.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1280x1024.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1280x1024.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1280x1024.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1600x1200.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1600x1200.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1600x1200.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1080.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1080.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1080.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1200.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1200.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/1920x1200.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1080.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1080.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1080.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1440.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1440.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/2560x1440.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/3840x2160.svg b/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/3840x2160.svg
deleted file mode 100644
index 01ef05d1..00000000
Binary files a/iso_configs/desktop_base/lines-theme/wallpaper/contents/images/3840x2160.svg and /dev/null differ
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/gnome-background.xml b/iso_configs/desktop_base/lines-theme/wallpaper/gnome-background.xml
deleted file mode 100644
index fdd7a186..00000000
--- a/iso_configs/desktop_base/lines-theme/wallpaper/gnome-background.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<background>
-  <static>
-    <duration>8640000.0</duration>
-    <file>
-      <size width="1280" height="1024">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/1280x1024.svg</size>
-      <size width="1600" height="1200">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/1600x1200.svg</size>
-      <size width="1920" height="1080">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/1920x1080.svg</size>
-      <size width="1920" height="1200">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/1920x1200.svg</size>
-      <size width="2560" height="1080">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/2560x1080.svg</size>
-      <size width="3840" height="2160">/usr/share/desktop-base/lines-theme/wallpaper/contents/images/3840x2160.svg</size>
-    </file>
-  </static>
-</background>
diff --git a/iso_configs/desktop_base/lines-theme/wallpaper/metadata.desktop b/iso_configs/desktop_base/lines-theme/wallpaper/metadata.desktop
deleted file mode 100755
index 84104c53..00000000
--- a/iso_configs/desktop_base/lines-theme/wallpaper/metadata.desktop
+++ /dev/null
@@ -1,7 +0,0 @@
-[Desktop Entry]
-Name=Lines
-Name[fr]=Lignes
-X-KDE-PluginInfo-Name=Lines
-X-KDE-PluginInfo-Author=Juliette Taka Belin
-X-KDE-PluginInfo-Email=juliettetaka.belin@gmail.com
-X-KDE-PluginInfo-License=GPLv2+
diff --git a/iso_configs/plymouth/lines/background.png b/iso_configs/plymouth/joy/background.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/background.png
rename to iso_configs/plymouth/joy/background.png
diff --git a/iso_configs/plymouth/lines/debian_logo.png b/iso_configs/plymouth/joy/debian_logo.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/debian_logo.png
rename to iso_configs/plymouth/joy/debian_logo.png
diff --git a/iso_configs/plymouth/lines/debian_logo16.png b/iso_configs/plymouth/joy/debian_logo16.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/debian_logo16.png
rename to iso_configs/plymouth/joy/debian_logo16.png
diff --git a/iso_configs/plymouth/lines/joy.plymouth b/iso_configs/plymouth/joy/joy.plymouth
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/joy.plymouth
rename to iso_configs/plymouth/joy/joy.plymouth
diff --git a/iso_configs/plymouth/lines/joy.script b/iso_configs/plymouth/joy/joy.script
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/joy.script
rename to iso_configs/plymouth/joy/joy.script
diff --git a/iso_configs/plymouth/lines/password_dot.png b/iso_configs/plymouth/joy/password_dot.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/password_dot.png
rename to iso_configs/plymouth/joy/password_dot.png
diff --git a/iso_configs/plymouth/lines/password_dot16.png b/iso_configs/plymouth/joy/password_dot16.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/password_dot16.png
rename to iso_configs/plymouth/joy/password_dot16.png
diff --git a/iso_configs/plymouth/lines/password_field.png b/iso_configs/plymouth/joy/password_field.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/password_field.png
rename to iso_configs/plymouth/joy/password_field.png
diff --git a/iso_configs/plymouth/lines/password_field16.png b/iso_configs/plymouth/joy/password_field16.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/password_field16.png
rename to iso_configs/plymouth/joy/password_field16.png
diff --git a/iso_configs/plymouth/lines/progress_dot_off.png b/iso_configs/plymouth/joy/progress_dot_off.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/progress_dot_off.png
rename to iso_configs/plymouth/joy/progress_dot_off.png
diff --git a/iso_configs/plymouth/lines/progress_dot_off16.png b/iso_configs/plymouth/joy/progress_dot_off16.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/progress_dot_off16.png
rename to iso_configs/plymouth/joy/progress_dot_off16.png
diff --git a/iso_configs/plymouth/lines/progress_dot_on.png b/iso_configs/plymouth/joy/progress_dot_on.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/progress_dot_on.png
rename to iso_configs/plymouth/joy/progress_dot_on.png
diff --git a/iso_configs/plymouth/lines/progress_dot_on16.png b/iso_configs/plymouth/joy/progress_dot_on16.png
old mode 100755
new mode 100644
similarity index 100%
rename from iso_configs/plymouth/lines/progress_dot_on16.png
rename to iso_configs/plymouth/joy/progress_dot_on16.png
diff --git a/iso_configs/plymouth/plymouthd.conf b/iso_configs/plymouth/plymouthd.conf
index b0afe02c..30e1ac55 100644
--- a/iso_configs/plymouth/plymouthd.conf
+++ b/iso_configs/plymouth/plymouthd.conf
@@ -1,4 +1,4 @@
 # Administrator customizations go in this file
 [Daemon]
-Theme=lines
+Theme=joy
 ShowDelay=0
diff --git a/python_modules/infra.py b/python_modules/infra.py
index c23aace8..c599f2cf 100644
--- a/python_modules/infra.py
+++ b/python_modules/infra.py
@@ -325,7 +325,7 @@ def shared_folders():
 
     logger.info("Copy Shared folders")
 
-    src_paths = ('/plymouth/lines',
+    src_paths = ('/plymouth/joy',
                  '/application', 
                  '/font',
                  '/hooks/live', 
@@ -344,7 +344,7 @@ def shared_folders():
                  '/pylibraries',
                  #'/calamares_settings/branding'
                  )
-    des_paths =('/usr/share/plymouth/themes/lines',
+    des_paths =('/usr/share/plymouth/themes/joy',
                 '/usr/share/applications', 
                 '/usr/share/fonts/pepconf',
                 '/usr/lib/live/config',