Random Background Images

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I got bored the other day and wanted to see if I could set up a way to randomly
change the background image in GNOME from a directory of jpg files.

After a bit of experimentation, I came up with this:

gconftool -t str -s /desktop/gnome/background/picture_filename “`find
“$BACKGROUND_DIR” -name *.jpg | random | tail -n 1`”

Link: Gnome Hacks