AlisonQuilts ... it obviously is the Cat's Meowwww!
You should make more to sell .... people will pay high $$s for their kitties!
CajunOwl ... check out Too Cool T-Shirt Quilts, for more info about making t-shirt quilts. They don't stabilize the t-shirts. Your extra parts could be used for filler blocks, along with the stamped areas.