I'm wondering if Zen Cart can do this if or anybody knows of a cart that can do something like this:
http://www.dynamicdrive.com/dynamici...agetooltip.htm
live example: http://www.d2items.com/products.php?...&rf=1236743160

Roll over the base image/link and you see a much bigger image appear. I've been searching everywhere for an ecommerce system that does this automatically with minimal code hacking involved.