Not sure if these have been posted or not, but here are some of my favorite Bleach AMVs
Red September
http://youtube.com/watch?v=tGKvLZx-jm0
11th Squad
http://youtube.com/watch?v=ceIEzzKSbIQ
Bleach Comedy (Bleach to Dane Cook comedy bits... yeah... it's interesting...)
http://youtube.com/watch?v=lL15vSL1Iy0&feature=related
Bleach Comedy 2 (Bleach to Pablo Francisco comedy sketches... again... interesting...)
http://youtube.com/watch?v=VXaxpnNQ3MI&feature=related