I have a ecCmmerce site that is developed with OScommerce 2.2. It uses the Multi Vendor Shipping addon so different users can log in and list their items for sale. But I now need it to work with the One Page Checkout addon. Both are installed but One Page Checkout will not yet work with MVS - the [url removed, login to view] is bringing up an error saying "Shipping Selection Error". There may be more freelance work available on this site as it grows.