Configurator/Live Product Customization

I am web designer looking for assistance with an add-on for an e-commerce site. My Client would like to use one of the common shopping carts, such as Bigcommerce or 3d Cart, but they need a custom module. They would like to sell items that can be customized with writing, uploadable logos, and colors. They would like for the product page to allow live customization, meaning that the customer can see the changes made to the product as it is chosen. The module will have to integrate into an existing shopping cart and communicate the selections made in the live preview module. Some examples of this are: [login to view URL] [login to view URL] [login to view URL] The client does not want to have use a 3rd part service like Scene7 to preview an image. I am open to ways of achieving this goal and want to work collaboratively with someone. The Client has not committed to any particular shopping cart at this point so nailing down is part of the project is critical to continue with the rest of the work. Please bid only if you have previous experience with this particular issue and examples of solutions. Project will not be awarded to anyone without functional examples of solutions. Must speak english and be available for Skype conference.