Fine Art America is the world's most powerful sales and marketing tool for photographers and visual artists.
Simply open an account, upload your images, set your prices for all our available products, and you're instantly in business! FAA provides you with an e-commerce website, fulfills your orders for you, and sends you your profits each month.
Over on Redbubble, there is a button to favorite things (using favorite as a verb not an adjective here) but they do not have that extra "vote" function. It took me a while here to learn what the vote was for and, now, I always do an F and a V for things I particularly like, and I always reply with a thank you when someone puts F/V in a comment.