Randomly set a picture as the GNOME desktop background.
gnome-desktop is a program for displaying random pictures on your GNOME desktop background. It reads a sub-directory of $HOME (by default: Pictures) every n minutes (default: 1440 = once/per day) and every s seconds (default: 50) picks a random file and sets the gconf key desktopgnomebackgroundpicture_filename to the absolute path to that file.
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