Now that you've got a working multisite installation, we can start to add some customizations. Customizations can come in a few different forms. You're probably aware of the customizations that can be made via WordPress plugins and custom WordPress themes. Another way we can customize a multisite installation is by creating a landing page that displays information about each blog in the multisite network, as well as displaying information about the author for that individual blog.
I wrote a blog post shortly after WordPress 3.0 came out detailing how to set this landing page up. At the time, I was working for a local newspaper and we were setting up a blog network for some of our reporters to blog about politics (being in Iowa, politics are a pretty big deal here, especially around Caucus time). You can find the post at http://www.longren.org/how-to-wordpress-3-0-multi-site-blog-directory/ if you'd like to read it. There's also a blog-directory.zip file attached to...