I have decided to adapt some of my art to t-shirt designs. I'm going to do one a month and here is the link to where you can get this month's. http://www.cafepress.com/jaredosborn
Here is a site that specializes in selling art prints. I have a few of mine posted for sale.
I also post some of my smaller works on Ebay to get them out into the world where they can have adventure of their own.
Here is a site for artists to buy sell and trade art cards. They are little works of art the size of a baseball card.