I don’t often put up posts on tutorials, but I couldn’t pass up on this one. Smashing Magazine has a collection of 80 Photoshop tutorials posted on their site:
Even if you are not a Photoshop user, and have no desire to learn the techniques of this industry standard graphics program, be sure to check out some of the speed painting videos. The Scarlett Johansson one is simply amazing. Who doesn’t need a nice piece of art on in their virtual house?