If the head dials are grouped you can try doing facial expressions with the morph putty tool. Also, think about where the two eyes would point... the will not be parallel unless the person is looking far in the distance... think about the point where the axis of the two eyes would meet... think about the tip of the head and whether the eyes would look up or down. Try splitting morphs or using magnets to try to introduce asymetry. Try dialing expressions oynly using all the parts of the face and spawning these as single morphs that can dialed in slowly. Think about the eyebrows, the upper and lower eyelids... how people use those in connection to their mouth for expressions. If you can afford it buy a product like one of the Expression Magic tools and look at the makers choice of expressions and the names they give them. Use magnets or morph brush to fix mouth expressions, Work on mouth asymetry, use phemnome dials for expression, use jaw morphs and chin morphs as part of expressions. Try to imagine where the weight and ballance of the hips head and shoulders... people will imagine on expression on a blank face based on the tip of the head... really think of where the figure would be looking relative other figures and the viewer and think of where their face is pointed sometimes seperate from where their eyes are looking. Try shifting the torso and hips with the IK turned on for both the feet and hands. Try using the chain break tool. Look at figures from the side... pose the hands using the hand cameras and really looking at poses of your own real hands for what is realistic and possible. Maybe you could take an acting class at community college if you can, they ought to teach you about posture and body language and facial expression and "gaze". Play with an emotive character like Aiko 3 and look at some cartoon drawings. Work with diffuse color skin and no textures to take away the extraneous detail when you are posing. These are my tips.