Gnome shell extension wallpaper
Simple gnome-shell extension to change the wallpaper from the overview.
Get it from :
To change where to search wallpapers edit src/extension.js and set
const DIRECTORIES = [ "/usr/share/backgrounds", GLib.get_home_dir() + "/Pictures", "another_directory" ];
with the image directories that you want.
By default it searchs in /usr/share/backgrounds AND $HOME/Pictures