Stocky Marketplace Theme allows you to sell your photos just the same as any giant online marketplace. Not only can you sell your products, but with the available extensions in an EDD Pass you can allow anybody to upload their photos and sell through your site.
Out of the box along with the free Easy Digital Downloads plugin, your site can run as a stand-alone ecommerce site. But in conjunction with the available paid extensions in an EDD Pass you can allow anybody to upload their photos and sell through your site; Turning your site into a full blown marketplace.