Tutorial - Curves on Girls by *Ai-Bee on deviantART. Reaaaal good tut on different body types. In her deviant there is also a lot of links to others tutorials for men and women body types. If you draw characters, go see this.
Facial expression reference image Categories of emotion as defined by facial expressions. It's good knowing this when you have a caricature you're carving. I really enjoy crossing over the lines and mixing two of these together.