Osama bin Laden Video Fake?

Littlegreenfootballs posts on a digital forensics expert who says bin Laden's beard color is real, but the video was heavily edited. Some excerpts:

Neal Krawetz of Hactor Factor, an expert on digital image forensics, said in his latest blogs that the video contained many visual and audio splices, and that all of the modifications were of very low quality.

At roughly a minute and a half into the video there is a splice; bin Laden shifts from looking at the camera to looking down in less than 1/25th of a second. At 13:13 there is a second, less obvious splice. In all, Krawetz says there are at least six splices in the video.

Krawetz notes "this is the same clothing he wore in the 2004-10-29 video. In 2004 he had it unzipped, but in 2007 he zipped up the bottom half. Besides the clothing, it appears to be the same background, same lighting, and same desk. Even the camera angle is almost identical."

That, combined with his substantially different message this time around, certainly fuels the speculation that bin Laden is already dead, and that Al Qaeda is simply using his image to bolster their forces. If he's really out there, why doesn't he prove it unequivocally?

There's my two cents.