This file shows sample for KDE2 background settings.

Name: ChBg
Comment: ChBg
Command: chbg -to_file -out_file_width %x -out_file_height %y -out_file %f -once -randomize /usr/share/wallpapers/ -r -mode tile
Preview cmd: chbg -to_file -out_file_width %x -out_file_height %y -out_file %f -once -randomize /usr/share/wallpapers/ -r -mode tile
Executable: chbg
Refresh time: 15 minutes

