The SQL Site Map Provider

The SQL Site Map Provider You've Been Waiting For
http://msdn2.microsoft.com/en-us/magazine/cc163657.aspx

 Using Multiple Sitemap Files
 http://geekswithblogs.net/dlussier/archive/2007/10/04/115848.aspx
 How to: Configure Multiple Site Maps and Site-Map Providers
 http://msdn2.microsoft.com/en-us/library/ms178426.aspx

Sitemap Celebration
http://www.zabdesign.de/pro/public/sitemap/sitemap-styled.html