SharePoint developer Screencast on Channel 9

Got some very useful videos by Kirk on Channel 9 on SharePoint describing how to use Visual Studio Extension on WSS to develop solution quickly:

SharePoint for Developers Part 1: Introducing VSeWSS 1.3

SharePoint for Developers Part 2: Working with Features

SharePoint for Developers Part 3 - Expression Blend and Silverlight

SharePoint for Developers Part 4 - Calling SharePoint Web Services from Silverlight

SharePoint for Developers Part 5 - Custom content types, fields, and lists