Some genuine lols there
I know not of Pinterest either, but some of those are very funny
( TownsendsPublisher Woooooooooooooooooooooooo!, Tue 27 Nov 2012, 18:54, Reply)

the penguin cupcake made me lol

( Gruffi rust wrangler, Tue 27 Nov 2012, 19:03, Reply)

All of them that involved faces seemed to set me off giggling
I'd have been quite chuffed if I'd made the shark one though
( TownsendsPublisher Woooooooooooooooooooooooo!, Tue 27 Nov 2012, 19:04, Reply)