Shopping Cart & Gallery2.0 Interface

I am looking for a shopping cart that can be hosted on my server (Dell PowerApp Web 120) running Fedora Core 3 with LAMPP installed. The cart should have full admin and customer account access. I would like the cart to interface with Gallery2.0 ([login to view URL]) so that when a person purchases through the cart, that they automatically are given an account the gallery where they can have immediate access without having to re-register. I have a short time to deploy the situation - I look forward to your bids. Thank you!