You could store an array of viewed artwork in the SESSION and then filter out that array from your recordset. This is something we could help with in a premier support ticket.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.