Script To Generate A XML Wallpaper File For Gnome

A while ago, we published an article on a script which generates an XML wallpaper set from the National Geographic 2009 wallpaper contest but what if you want to use different wallpapers to generate such an XML file (if you don't know what's this, think of the "Cosmos" automatically changing wallpaper which comes with the Gnome 2.28, like in Ubuntu Karmic)?

 

xml wallpaper gnome 2.28