Or what? Render settings show shadows enabled. He said the "wall" is -.24 (no units specified, so we have to assume he followed instructions and used -.24 PNU, which according to DGS is two feet.) The light is clearly dead center, since the forehead highlight is down a bit, and the chin highlight is up a bit.

All that remains is the shadow is hidden behind the head or there is no shadow.

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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)