Here are two osCommerce Templates that look really great. These Awesome osCommerce Templates will cover all your needs. We hope you’ll like them.
Dresscode – Responsive osCommerce Theme
Dresscode is premium responsive osCommerce theme which can be used according to your needs and requirements. It includes a lot of custom features. Fully responsive, customizable, based on Sceleton CSS Framework. Compatible with osCommerce 2.3.x