Not a joke, but one of the best commercials I ever saw. It was featured on the "World's funniest commercials" program many years ago, but I was lucky enough to find it on You Tube. Make sure your speakers are turned on, and sit back and enjoy this rendering of Desmond Dekker's "The Israelites":

my current favorite from the Tour de France coverage........Radio Shack / Lance A. ad:


Love this guy!