I used these tutorials. I'm practicing off these things. And she's really good with tuts... http://design.tutsplus.com/tutorials/quick-tip-use-coloring-techniques-to-add-depth-to-your-artwork--psd-19350 http://design.tutsplus.com/articles/improve-your-artwork-by-learning-to-see-light-and-shadow--cms-20282
Tutsplus for the links Songs: Hellfire - Hunchback of Notre Dame: Ashfur