WSPBuilder - Walkthrough of the Visual Studio Add-in

I know that there are not much documentation on how to use WSPBuilder in the install package, but my good friend Tobias Zimmergren have written a great post on SharePoint development with WSPBuilder Extensions. Check it out. http://www.zimmergren.net/archive/2009/04/08/wspbuilder-walkthrough-of-the-visual-studio-add-in.aspx