option to copy all background images

defaults/main.yaml

@@ -48,3 +48,4 @@ calculator_command: "{{default_browser}} --new-window https://www.geogebra.org/c
 mail_command: thunderbird
 
 background_image: false
+home_copy_all_background_images: false

tasks/background.yaml

@@ -11,3 +11,9 @@
     src: "{{background_image}}"
     dest: "{{background_image_path}}"
   when: background_image is defined
+
+- name: copy all background images
+  synchronize:
+    src: ~/.backgrounds/
+    dest: ~/.backgrounds/
+  when: home_copy_all_background_images