The secret truth about Ted Hitler
Crooks and Liars has a clip of the Daily Show about the Propagannon affair. Absolutely fucking hilarious. Watch how Jon Stewart nearly loses it. (It's in Windows Media, so fair warning.)
EDIT: The piece is up on Comedy Central's site now, too.
My friend Rachel also recommends this film, and I agree. Man Being Hit By a Metal Piece. Look for it at Sundance!