Here's another render like the last, but with the light coming straight on. Observe the natural specular coming from the lighting, instead of burned into the color map.

Note: I think the lips are out of line a bit, too.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)