Ok - here is a fun one:
Squares A & B are same color - check in photoshop.
pretty old but a good ol one
To bad I do not have photoshop
fyi
Man lands on the moon?
One of my favorite scenes from Dumb and Dumber
kinda neet
man was never on the moon.
GT
^^ aw geez you’re not another one of THOSE are you? 
http://www.sandeepkejriwal.com/illusions.htm
Thread ownage