"This Land" was a good example and
this is right up there as well. Bush is played by the crotch-grabbing narrator.
Not safe for work or around the kids (well ok, it is, but keep the sound low). You're gonna love this. Yo, Rummy!!
Update [2004-8-14 15:9:40 by Mark H]: baseballgirl, in a comment below, is right. It isn't parody.