Also, here are some style boards that I've cranked out.
I started with this:
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I thought it was a little too painterly, too rough; so it evolved into this:
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I sharpened the rendering quality a bit, and saturated the color values more.
Here's another style sheet I made in similar style:
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The colors don't exactly match but i think the rendering style will work nicely.
That's all for now, animation tests will be up soon