Here's comedian David Cross explaining how he was able to sponsor a bomb for Iraq. He explains that it's sort of like sponsoring a star -- you don't know which one you're going to get or where it will hit.
(He's hoping for a schoolyard :-)
Audio - David Cross On Daily Show (MP3 - 2 MB)
David Cross On Daily Show (Lo-res 10 MB)
David Cross On Daily Show (Hi-res 28 MB)

If this clip isn't enough for you, looks like the entire interview is up on the Daily Show site right now too...