This is the final segment to making money from your art, at least until we find more ways to do it.
Open a store
http://www.ecrater.com/ offers free webstores that you can personalize. I would suggest if you are serious about this your should buy a domain name, and get webhosting you can point to your store. WebzPro has hosting for as little as $5.95 per month and they are a great host - with a sitebuilder should you decide to go further with your site.