*KleinerKiller is greeted with silence, crickets, and a single thrown tomato*
Cool! For the uninformed, AMVs are "Anime Music Videos" -- fanmade videos setting anime clips (from a single series or a mashup of several) to a fitting song, resulting in awesomeness all around if they're created by a particularly talented video editor. Luckily, there are quite a few such editors on YouTube.
Just post any that you find particularly memorable, and enjoy whatever anyone else might post. Have a good fuckin' time.
Some of my favorites to start us off:
And a bizarre, hilarious one that never fails to make me laugh: