Cute; I like the blush and shading on the face. The animation is good too, I don't see any problems with it. However, you have a lot of colors (which isn't really a problem, but the image can be reduced to 32 colors without much difference), and the clothing doesn't seem to have a lightsource. On a side note, you might consider changing the preview image; it's hard to determine what it actually is, and I think the full-view is small enough that you can use it as the preview.
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On a side note, you might consider changing the preview image; it's hard to determine what it actually is, and I think the full-view is small enough that you can use it as the preview.