I must admit that this is a far better response than I had hoped for... I posted my comments for 2 reasons. First as a discussion starter, and second in the hopes that a little more artistic value might come to pass.

In regards to composition, I have heard it said that Ansel Adams would find a good landscape shot and wait all day hanging in a tree for the light to be 'just so'.  In virtual art, we can move the Sun with a click of the mouse...

If you don't know who Ansel Adams was, close that mega-breasted pinup render and google for his art.  You won't be sorry.

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We now return you to your regularly scheduled boobies.