diff --git a/backgrounds/ferns-green.jpg b/backgrounds/ferns-green.jpg
new file mode 100644
index 0000000..54f6766
Binary files /dev/null and b/backgrounds/ferns-green.jpg differ
diff --git a/bin/omakub-theme b/bin/omakub-theme
index b26a312..debbb94 100755
--- a/bin/omakub-theme
+++ b/bin/omakub-theme
@@ -2,3 +2,10 @@
 set -e
 
 # Pick a preconfigured theme
+THEME=$(gum choose "Tokyo Night" "Gruvbox" "Catppuccin" | tr '[:upper:]' '[:lower:]' | sed 's/ /-/g')
+source $OMAKUB_PATH/themes/gnome/$THEME.sh
+cp $OMAKUB_PATH/themes/neovim/$THEME.lua ~/.config/nvim/lua/plugins/theme.lua
+cp $OMAKUB_PATH/themes/alacritty/$THEME.toml ~/.config/alacritty/theme.toml
+sed -i "s/theme \"\(.*\)\"/theme \"$THEME\"/g" ~/.config/zellij/config.kdl
+
+echo "Restart your terminal to enjoy the new look!"
diff --git a/themes/gnome/gruvbox.sh b/themes/gnome/gruvbox.sh
new file mode 100644
index 0000000..8d52adf
--- /dev/null
+++ b/themes/gnome/gruvbox.sh
@@ -0,0 +1,9 @@
+gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark'
+gsettings set org.gnome.desktop.interface cursor-theme 'Yaru'
+gsettings set org.gnome.desktop.interface gtk-theme 'Yaru-sage-dark'
+gsettings set org.gnome.desktop.interface icon-theme 'Yaru-sage'
+
+OMAKUB_DEFAULT_BACKGROUND_IMAGE_PATH="$OMAKUB_PATH/backgrounds/ferns-green.jpg"
+gsettings set org.gnome.desktop.background picture-uri $OMAKUB_DEFAULT_BACKGROUND_IMAGE_PATH
+gsettings set org.gnome.desktop.background picture-uri-dark $OMAKUB_DEFAULT_BACKGROUND_IMAGE_PATH
+gsettings set org.gnome.desktop.background picture-options 'zoom'
diff --git a/themes/gnome/yaru.sh b/themes/gnome/tokyo-night.sh
similarity index 100%
rename from themes/gnome/yaru.sh
rename to themes/gnome/tokyo-night.sh
diff --git a/themes/zellij/gruvbox.kdl b/themes/zellij/gruvbox.kdl
new file mode 100644
index 0000000..f0a7757
--- /dev/null
+++ b/themes/zellij/gruvbox.kdl
@@ -0,0 +1,15 @@
+themes {
+    gruvbox {
+        fg "#d5c4a1"
+        bg "#282828"
+        black "#3c3836"
+        red "#cc241d"
+        green "#98971a"
+        yellow "#d79921"
+        blue "#3c8588"
+        magenta "#b16286"
+        cyan "#689d6a"
+        white "#fbf1c7"
+        orange "#d65d0e"
+    }
+}