1. It looks great to me!
2. Get him to show you southwestern designs that he does like. They don't have to be on quilts. That will give you an idea of what he has in mind, and you can incorporate those designs with yours.
3. If you have something on your computer, you don't have to photograph it. Just save it as a .jpg or .bmp file and upload that.
4. Um, wait, is that design meant to be the whole quilt or one block? Because it has a thousand pieces in it, so if it's one block it'll take you forever to do.