It completely looks like a painting, doesn't it?!?! Some kind of Impressionistic something, eh? (I'm not too great at art - can't you tell? :P - but that's what it reminds me of.) The only thing I did to this picture which I just snapped this evening was click "enhance" in iPhoto. That's it!
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......Here's the "before" picture: Rather pathetic, huh? (At least, after the above!) *embarrassed* ...and ALL I did was click one little button. Nothing fancy like Photoshop...