Thanks to everyone who responded. Thomas, Chris B--I'm going to take a look
at some references, and I will probably end up shortening the skull (if it
seems outside some ordinary range). As for the eyes, I have been working on
them, and I think they are better. I wonder, though- compared to the
reference photos, the highlights on the iris are still wrong. Even using
the "exponent" keywork, I can't get the bright parts of the reflection to
stay bright while the dim ones disappear. It makes the model look like he's
got little mirror-shades on his lenses (see attached). Ideas?

-Stefan S

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