Customize how a WordPress theme looks like in the Theme Selector
You need to create a screenshot.png and store it in the theme directory. See the directory for the TwentyTen theme: (source: mikeschinkel.com) That of course looks like this: (source: mikeschinkel.com) UPDATE To update the theme name, author, and description you modify the header of the style.css file. Take the one from TwentyTen as an example; … Read more