Great screencast from Channel 9 by Richard Turner | Product Manager | Windows CardSpace | http://blogs.msdn.com/richardt
In his previous screencast, the "Windows CardSpace Simple Demo Walkthrough", Richard illustrated just how little code and effort is required to add Windows CardSpace support to an ASP.NET site.
In this screencast, Richard walks through the processes of configuring IIS7 on Windows Vista to enable a site to support Windows CardSpace: