Barbara jane I second that, looking forward to seeing a picture.
Candi, this was something we decided to do when doing the Dear Jane Quilt. There are several methods to choose from, the one I and quite a few others chose to do is really based on when you have made your block you then add the batting, leaving around 1/4 all round extra on the batting. Then you hand quilt it. when you get to the point of putting on your sashing you add the sashing as normal, sew all your rows of blocks together being careful to align all the blocks then you add your backing material. I will use the spray baste and pins to hold it in place, then you quilt in the ditch to hold the backing on.
There are other ways whereby you can add the backing and then quilt and then sew each block together individually, at least that way you have the design on the back of your quilting design.
Hopeyou understand if not perhaps I can direct you to a tuturoial.
Elle