Normally you can't accuse me of lacking imagination, but I'll confess I just don't know what to do with these hands-up poses. It's fun to draw, but it doesn't look like anything other than posing. I suppose she could be stretching or fixing her hair?
Wow that right arm was way too long! Never hesitate to erase your mistakes no matter how good a job you did on it. Don't allow yourself to become so invested in your past efforts that you let them hold you back. If it's wrong now then get rid of it. This also applies to drawing.
The outfits these folks wear might remind you of temple carvings from India, Thailand or Cambodia. They are more decorative than functional.