Sweet mother....
well you can color good, but your anatomy knowledge seems to be really basic. The girl's face looks like she just crawled out of 3 mile island... like her right eye has mysteriously located itself on the side of her face. Anyway, go to
www.polykarbon.com for some super basic structure help (esp on faces).
Also, go read Burne Hogarth's Anatomy, dynamic figure and dynamic drapery, practice for a few years and you'll be able to draw like a mofo
ps, i hate to be mean but that girls face is sooooooooooooooooooooooo bad: it bothers me to no end