Add support for extra themes, other small changes, drop btop

src_files/.local/scripts/theme-update-wallpaper

@@ -15,11 +15,11 @@ NESTED_SWIFT_BLOCK
     )
 }
 
-# TODO: decide if and how to make this work for cycling through wallpapers per theme
-
 wallpaper_dir=$DIR_THEME_SETTINGS/.current-theme/wallpaper
 image_paths=($(find $wallpaper_dir -type f | sort)) 2> /dev/null
-target_wallpaper=${image_paths[@]:0:1}
+
+[[ $1 = "zz-default-for-theme" ]] && target_wallpaper=${image_paths[@]:0:1} ||
+    target_wallpaper=$(printf '%s\n' ${image_paths[@]} | fzf)
 [[ -z $target_wallpaper ]] && exit 0
 
 [[ "$OSTYPE" = *"darwin"* ]] && set_wallpaper_macos $target_wallpaper ||