Online Photo selling website

I am looking to build online photo store. I don't need printing, just need online download. There are 2 good programs. [login to view URL] [login to view URL] But it does not look professional and i also need modify. This web site look ok to me [login to view URL] 1. Need to upload photo, digital media, movie 2. payment: paypal for now. Online payment and customer can click the link to download. Address has to be dynamic. 3. photo importing: from webserver locatioon, from my computer and from phone. 4. Website will have about 7 categories of phots. 6 will be free and last category will be fee based. Payment can be credit method and direct payment method through paypal. Customer has option to buy credit or pay by photo. 5. Customer can upload and get comission. (near feature, but better put it in design stage. It will be easier to modify later) I already setup wordpress, gallery 3 and magento for testing.I can not find right plugins. Can you guys help me to setup photo selling webste with fancy graphic icon and nice logo ? I am open to take your suggestion for best and fast method. Thanks