In this tutorial Nick shows how to use Photos as masks to build controlled displacement on our model inside of ZBrush. He uses textures, alphas, Zbrush deformation tools and 3D layers. The Final 3D ZTool and images are provided with the tutorial.
Thanks so much for finally sharing this. I was going nuts looking for a copy on the Net, managed to find a working torrent for the .AVI last night, then I wake up and find the complete archive with project files posted here.