^I agree that she doesn't seem relaxed. I wish she elongated her legs more. However, I still think this is one of the best. I'd rank it second or third.
I dunno but doesn't this seem to be one of the most effortless of the bunch? It looks like the shot was taken in the middle of a moment as opposed to the obvious "I'm posing in front of the camera" (not that I'm saying it's bad). But generally I think this shot looks the best - especially as an ad