Have a bookseller site, which is an Amazon marketplace seller. Use theartofbooks.com to maintain inventory for books sold on multiple book sites, which it handles uploads/deletes automatically via ftp with several book sites like Amazon. Want to do the same with the site, to list books that populate the pages by categories, available through a cart, and goes through Amazon associates for commission as well. Know of services that do this but with their own server. Want to do at the site's own server, with payments handled via Paypal or Google. It would be great also to be able to show in a contextual text/image ad manner the books on other sites that match what is on the page. Know that Amazon has something similar to this now available. Anyone have pointers on how to do the above, especially the current listing of books available via a cart?