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I think I'd rather see a side-angle of that galleon...

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Nice idea, but needs a lot of detail work to make the scene more interesting.
The pixelized coulds are annoying.

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As Jack Vance says, that cuts down on the efficiency of the sail.



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I think the earth is a little to fuzzy and too green.  Should have more variety
I like the ship though.

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This is another image which suffers from overcompression.

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Cool concept.