Many thanks to Todd Fine (WPF recording), Mark Dunn (WF recording), and Brian Hitney (CardSpace recording). Yours Truly did the WCF recording.
All material is freely downloadable, and may be used as presentation material throughout the software community. Please feel free to learn, or re-present, the material, which is available at .NET University. It's a great way to get started learning .NET 3.0.