I'm in Dark's position in that I can't draw for shit... but there are a few criticisms I could make with your art. Most notably, every single one of your characters seems to be twisting his or her neck around into odd positions, which is a result of the characters' heads/faces not being in a natural direction relatively to their bodies. I can practically hear their spines cracking. In the full body shot of those two characters, the woman has incredibly short arms relative to her body. Still better than anything I could do, though.

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