Just store their current stock symbol & dates as session variables, and make the src of the image be a .php file which has the one liner: <?php header("Locatio

Just store their current stock symbol & dates as session variables, and make the src of the image be a .php file which has the one liner: <?php header("Location: http://quote-web.aol.com/.. http://quote-web.aol.com/..."); ?> Then you don't have to use image processing (including actually reading the image), and they'd have to become right-click-and-copy-paste-image-src-check-in-new-tab-cheater! :-)