Suggestion - avoid shading entirely right now, and just concentrate on working with anatomy and form :) You really have to get your basic shapes right before adding value to them, or else things become hard to figure out. For example, the fingers wrapped around the handle of the hammer aren\'t noticeable - the effect is very flat. It\'s also very difficult to figure out the mouth from the beard. So try to work on some clean smooth line art first, and once you feel confident that you have a grasp on anatomy, start working with a light source and add shading.