At first I was unsure if I should post this in Music, but that looks more like "community-made music", so just move if necessary.
http://www.youtube.com/watch?v=-xEzGIuY7kw
Weird Al is still the king of parodies.
(specially when he puts some up for free on youtube/myspace
)
And there's more injokes in there than you might spot at first. Parody of "Chamillionaire - Ridin' Dirty"