Share your screensaver

Hey,
I seek for a good one, an idea ?
No chess theme please
Mine for now:
c2.staticflickr.com/6/5496/11999933063_8438ab2325_b.jpg
Ty

I only use a screen locker. It displays 3 colors fullscreen depending on state: black as default, #005577/blue while a password is being entered and #CC3333/red for wrong password

http://git.suckless.org/slock/plain/slock.c

My bad, i would say wallpaper :(

My wallpaper is actually very similar to my lockscreen :) Although there is a bar with numbers covering up part of it