WARNING: This is serious stuff, if you really tend to have epilepsy episodes, do NOT, I repeat, DO NOT see this site. It would be like watching The Ring movie and fast forwarding 7 days.
http://www.seizurerobots.com/
:P
That's not so bad. Look what I made: http://www.eviltrailmix.com/extra/spiralling.swf
Try it at full screen, high frame-rate. Eek!
japanese+seizure+robots=funny
i thought trapezoid's link wan't that bad, but then after about 5 seconds i was like "oh shit, must regain conrtol of eyes. close you demon flash program! the power of christ compels you! the power of chirst compels you!