This quilt is gorgeous!
I made a yo-yo quilt almost 50 years ago. When I finished the yo-yo top I attached the quilt to a bed sheet by tying it in the middle of every yo-yo. This helped stabilize the quilt but the yo-yos have still pulled apart in a few places. It makes a very heavy quilt. I don't think I'd recommend hanging it at all. I'd be afraid the weight would pop all of the seams.
Here's where my quilt is posted. If you look closely you can see my ties in the centers of the yo-yos.
http://www.quiltingboard.com/t-1959-1.htm