I just did a fast edit on what I would change about it (hope you don't mind).
Again it's just a fast paint over and may not be perfect, but I just woke up :0!


Uhm, I guess you can pretty much notice what I changed, but I pulled the nose 1 pixel, made the lips longer and thinner, balanced the eyes and made them longer and thinner, pulled up the cheeks, and tone down the darkest blue (the one on the eyes) and the darkest red (on the lips), and pulled the chin and one side of the face up.
Hope it helps you.