wp e-commerce product page shows thumb AND product image

Hi, I am using WP 3.5 and latest WP e-commerce plugin. Set up a shop, no problems. BUT the product page shows a Large thumb of the product image AND the image in full size. I only want to show the Product Image, NOT the thumbnail. Where do I set this? ( My site: “https://www.artandcraftconnection.com/kalibasi/products-page/shawls/italian-silk-mohair-shawl/” ) Appreciate help ??