For people who like advertising:
The Ten Biggest Cocks in Advertising -- From the BBC Four series
Screen Wipe, Charlie Brooker lists "the ten worst blokes in current UK TV advertising". Funniest if you have seen these commercials, but still funny if you haven't.
Warning: Language NSFW.
Meanwhile,
Phat Phree has a rundown of the 50 "greatest" local TV commercials in America.
Warning: You will be humming the Stinky's Septic jingle for longer than you want to.