Hair probably will be snakes.
Looks pretty good if you ask me. Only problem I see is the mapping, eyes, mouth and nose widen too much in-game. This is a quick illustration as too why.
In other words, oval = circle in-game. So narrow your flat to get the right proportions in-game ;)
Kradel: That's your opinion. In my opinion i.e. Medusa was a seductress, she seduced her victims and then petrified them.