Photolog / Photography Sale Site

I am looking for someone who can produce a site which will be a of photolog/photoblog with eccomerce facilities; ie someone will be able to click a "Buy Now" button in order to download or order a print of the image. Copyright of images and preventing unauthorised download must be considered. My preferred media for the photolog is movabletype, but if you have other suggestions that would make the ecommerce side easier by all means put forward your idea in your bid. It will need to have rss, xml so people can subscribe to the content via a newsreeder. Comments and trackback are also required. Please state what you can offer me in your bid via pm, and any suggestions you may have.