zufall --help Usage: zufall /path/to/imagedir-or-file [/path/to/imagedir-or-file] -d, --delay=DELAY number of seconds an image is shown (default 900) -s --maxsize=PERCENT maximum size in percent (default 150) -b --minborder=PIXEL ignore --maxsize if the remaining border would be smaller than --minborder (default 100) -l --list=FILE load list of images from file - format is one directory or file per line (absolute path!) - can also be a collection from gqview -S --sequential don't randomize the imagelist (useful with -l) -c --command=COMMAND execute COMMAND on every picture change %c gets replaced with the color %i gets replaced with the image %w gets replaced with the scaled width %h gets replaced with the scaled height %% gets replaced with % -n --no-set don't set the background (but execute command if given) -p --passes=PASSES exit after given number of images --help display this help and exit --version output version information and exit SIGNALS: HUP change background USR1 info TERM exit