Attached Link: https://sites.google.com/site/bagginsbill/file-cabinet/BBGammaMeter.zip?attredirects=0&d=1

As BDD said - you should use one infinite light (where the sun is) and use IDL or IBL as filler. Also, I would suggest you use ray traced shadows. If there is too much light in the scene, things may look wrong. I've linked BB's light meter above, please include it in the scene to see if there is too much light.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

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