this started out from imagination and I had to find me reference for facial features and proportions in general.

For the hair I followed Linda's famous tutorial.

There was a massive learning process involved in doing this which can be followed in my anatomy thread starting here:
http://forums.cgsociety.org/showthread.php?t=310888&page=11&pp=15

software: artweaver 0.3.9.9

thanks for looking.