I think most of the clips have now expired and it wouldn't be worth reposting them as most have gone through various incarnations since first posting so will be different from the final edit. one link that is still active (at least for the moment) is the slpit screen comparison

SPLIT SCREEN COMPARISON - Megaupload - 100MB approx

Donations are still open. You can donate through paypal. The address to donate to is : adywan(at)hotmail.co.uk (substituting the (at) for @ of coarse).

Here's some screen caps which help show the lighter skin tones now without bleaching out the main colours that don't need desaturating

http://img165.imageshack.us/img165/9594/skintonecomparisonjb0.jpg