Bit too high on the fill flash I think. Other than that it's nice, though it makes me dizzy for some strange reason, I think it's because it has an amazing sense of depth that I feel I'm staring into.
As a guy who prefers women that are not rail-thin waifs, I find her to be quite cute. Pretty eyes, nice curves. Good job with the lighting, and a well chosen location.
Nice. Great composition, the lines of the tracks lead into the distance and minimize her hips. Great expression too, I hope you get paid for this cause it's a good job.