Check out http://ticket2ryder2.blogspot.com Also, the blog owner has a book that I downloaded which was quite helpful to me in figuring out the surprising number of decisions that have to be made to prepare your photos for sale. Great tips on everything from what to use to sign your prints to what your Certificate of Authenticity should look like. The book can be had as an eBook, for immediate gratification, or a printed hard copy, at http://ticket2ryder.com/TBP/front.html