I may soon be doing some artwork type stuff for customers (when I get another site going), but I was wondering if there is a way to send my customers a preview of their purchase before I go to printing it, and still have the picture protected from them printing it themselves (therefore losing the sale I'm sure). I would like their preview to be clear enough to see all the detail, but thinking if I send them actual size they can just print it off for themselves. Is there anyway to protect my work from being printed on the customers end?