Yep.
Light source on face different colour and direction than on body.
(
Shlvng,
Sat 6 Aug 2011, 1:56,
archived)
That's more like it.
To clarify, I have no arts training, I'm using a 7 year-old laptop and I have 7 pints of cider in my body.
This image looks better shopped than the image above.
(
Shlvng,
Sat 6 Aug 2011, 2:06,
archived)