They're selling digital photography on ebay by image resolution. Many sellers are listing their art work for sale as a jpeg photo delivered by email on the internet. They state that they are delivered at "highest quality jpeg level." This is how the stock photography sites like dreamstime.com does it. Last, they're charging a buck a print.
I haven't tried this yet. But it's on my list of things to do.
Canvas prints are running about $20. More later...