I've a relative who tells me all sorts of awesome stuff. He doesn't deny the moon landings but did says that its been proven the B2 bomber's "engines" are too small. It can only stay in the air with anti-gravity. How about that? Hiding anti-gravity in plain sight!
Anyway, here's some "teach the controversy" tshirts:
Teach the Controversy - Intelligently designed geeky shirts urging you to teach the dumb side of the story