You really did that?
Take a look at this bad boy:
<IMG>
My personal favorite:
Unzip to wherever you would like. Put your hand somewhere stationary (mouse, corner of laptop, desk, etc). Run optical.exe, and stare at the small white circle in the center of the screen for 30 secs. Then look at your hand...
While I was staring at the little white circle, I thought for sure a scary demon face was going to pop out and scream at me. Pretty cool though.