It would be really hard to explain it properly, but basically you need (or at least I use) a combination of Total Video Converter, Photoshop CS3, and Fireworks CS4. There is a ton of trial and error involved and its taken me quite a while to get really proficient at it, but the basic steps are - convert a vid clip into a gif via TVC (you can also use Photoshop I think, but I don't use it as I think the gif it outputs is pretty heavy as far as MB go) - open the source gif in Fireworks - open a picture that has the headshot you want in Photoshop. Then use the magic wand tool to highlight your head. Click copy. Then click paste (so it makes a new layer that is just the cropped head). Then immediately save it as a .psd (should do that automatically) - open the .psd in fireworks. click on the head, copy, then paste it into your .gif that you also have opened in fireworks. Your .gif will be split into frames and you'll have to individually place each head into each frame (most gifs that I make have about 90 frames). So it's kinda time intensive sometimes. For example, I consider the one that I made for Saints Report this week to be pretty much my magnum opus of .gifs. I can't imagine I'll ever do a better one and I certainly won't ever do one that took that long to make again. It took about 4 hours to do. I didn't realize how long it was going to take me until I was about a quarter of the way into it, but once I was that far...I figured I'd go ahead and finish it regardless of how long it took.