(track this down:
dginn% ./oble -c ~/Downloads/haarcascade_frontalface_alt.xml
Corrupt JPEG data: 160038 extraneous bytes before marker 0x69
ERROR: frame is null...)
FOR SCREENSAVER:
* gnome-screensaver-command --poke
	* find irc channel to ask if my understanding is correct
	* file bug
	* track down bug
		* compile gnome-screensaver