A couple of details to consider:
On the first photo I believe that her coat clashes with the structure that she's posing on. When photographing a coat with so much texture and a contrasty pattern, a background that doesn't have as much texture will make for a more harmonizing effect.
On the second photo, I feel that the arm positioning is a bit awkward. Having her take a step away from the wall or extend her arm out so that it isn't scrunched up against her body would create more pleasing compositional lines, and make her look a bit more comfortable while also avoiding what looks like a hand growing out of her shoulder.