Rooftop sunset photos

Let me know what you guys think. Note: I changed the sky to a purplish color in the third one. Chime in on what color sky you prefer.

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IMAGE LINK: http://www.flickr.com/​photos/cjjr72984/86869​77243/

IMAGE LINK: http://www.flickr.com/​photos/cjjr72984/86888​90313/

my 2 cents:

shot 1: the black stuff on the left doesnt add to the shot. Cute pose... hmm i kind of hate the building on the right too..

shot 2: interesting pose but again, i don't like the buildings at the bottom. the lettered sign just draws my eyes to it, instead of the girl. maybe shot a bit lower angle?

shot 3: id like her back foot drawn back a bit so she dont look like she sitting on potty. This one the buildings i dont mind since they arent giant black boxes. and she has a bit of a halo around her too.