Okay, here's the latest version. I've tried to incorporate all the tips. It's a bit grainy but it was the best I could do photographically. Her right jaw (to our left) may still need to come in slightly. Reactions, please!
Oh, and you can see the complete portrait at its current stage at
http://leslieficcaglia.org/robin.htm
Colors are a little too saturated but otherwise it's not bad for a digital.