Animated Shaders with MTOR

Heres a good tutorial thing that deals with shaders. I know that a few of you are haveing a little trouble with shadeing and lighting so this might help you. I know i have some trouble with it so it might help me as well check it out. http://www.highend3d.com/maya/tutorials/rendering_lighting/renderman/Animated-Shaders-with-MTOR-197.html