Originally Posted by postal packin' mama

You certainly have an eye for arranging components for a beautiful design.
Maybe you could put a hanging sleeve for when you want to use it as a shower curtain, slipping it over a removable tension rod in front of the waterproof liner. That way, it would be less limited to the shower as it might be if it had buttonholes to accommodate shower rings. A light washable batting would make it usable as a lovely quilt as well.