Check this out

[himoacs]

All you have to do is stare at this picture for one minute and then wait...

[paul_evan]

i dont understand ??? what do you want to say by this picture???

[himoacs]

did you stare? wait for some time and you will see.

[cyberoptik]

Haha nice one! Better than the awful flash things that cover the whole screen.

[himoacs]

wait. what flash thing are you talking about?

[Super M]

;D haha..great illusion..tnx for sharing

Thanks , super M

[himoacs]

it's weird how you guys are finding it funny. I was a little scared when i saw it first time.

[buy_cars]

;D ahahahha
For those who know already its funny.

[himoacs]

yeah that's true. where did you see it before.

[cyberoptik]

wait. what flash thing are you talking about?

Haven't got a link right now, but they are the same. Only thing is that they use flash to include the "monster" into a game or video and using full screen to really scare the viewer!