This module helps you share your products on Facebook and twitter... This module also helps you put a facebook "like" button next to your products..when someone likes the product, the product image, title and description is shown on their wall... it also works with the multiple images of a same product...
for details see documentation tab.
vqMod version of this module for Opencart 1.5.x is released finally as a separate extension here (http://www.opencart.com/index.php?route=extension/extension/info&extension_id=5340) It works even without setting up SEO URL and .htaccess on your servers..easy to use and install
if you want to avoid the hassle of manually updating the files then get the vqMod version.
do rate if you like this extension!!