OKay, for the backing, how about sewing a similar floral pattern, or even just swirls- a thin piece of wadding between two pieces of cotton (or your preferred fabric) and then sewing the patterns. This would give a 3-d look and feel to the back. Does that make sense? Maybe a sewing guru could tell you how to do that properly. If you don't know what I mean, my MIL made a baby quilt for Steph that I am pretty sure has this on the back, and I can take a pic of that and email you.

I have to go out now, but I'll think about it some more.

Great work by the way, that's fantastic! I'm very jealous.