Creative Website Design to display, upload and download items

I need a? website? written . It should have? the exact? similar layout and objective as to istock.com. Keeping in mind that we should not infringe into their intellectual property rights. I would like for the coder to have experience, with? creating a website. Also a person who has? created a website that sells items.? I want all requirements as site mentioned above, and I would like to add more items in future.