From http://icanbecreative.com/article/create-james-camerons-avatar-movie-poster-in-photoshop-tutorial by alexroman @ icanbecreative.com
This tutorial was made to help step you through the process of making a Na’vi from the AVATAR movie. Creating posters with Photoshop can be a lot of fun and there are unlimited opportunities. Anyone who knows me knows that I love movies. I recently was overcome with inspiration when I saw the new James Cameron’s Avatar Movie Posters, they are pretty sick. In this tutorial I will show you guys some simple but efficient techniques that will help you make your own Avatar movie poster from a portrait picture of yourself. This tutorial should be used 6with many variants and additional techniques unique to the artist.