Customizing WebPart Title bar (Sharepoint)

Today, while working on customizing a sharepoint site, I'm working on modifying the WebPart Title bar.

After a while searching through the Sharepoint help and google, I found a good resource on customizing the web
part title bar at http://www.heathersolomon.com/blog/articles/brandsppart3a.aspx

It's very good reference for Sharepoint modification.