Web Hosting for Artists with complete 30 day training - generous discounts until Dec 31st.
You can sell your art using paypal and google checkout.
You can display your art with slide shows, you can show people how your painting any particular artwork, announce your events.
Practically anything your creative mind can conceive.
As an artist I learned about building templates and developed my own CSS style sheets using my own artwork, including all the buttons, bells and whistles made with Flash and Fireworks!
When you are ready to buy your website look to someone who knows how important it is for you to design your site around your images to set it up for you.
Come visit a makeshift example at http://www.creativehandyworks.com