No. Just about any visitor can enjoy your wall creation. The browser plugin is not required. The wall only requires visitors to have Adobe Flash Player 10+, which accounts for the vast majority of internet users.
By default, Cooliris Express does not insert any ads into your wall. However, if you are interested in placing ads in your wall, check out our Cooliris Publisher Program or contact our business development team to sign up.
Yes, quite a bit, in fact. You can add custom toolbar icons, set wall tilt, display metadata, manipulate the DOM, and much more. For details and examples, take a look at our Developers documentation.
