I found the following webcasts are available for windows mobile application development from windows mobile product team site.
MSDN Webcast: 24 Hours of Windows Mobile Application Development: .NET Compact Framework Asynchronous Programming Techniques (Level 300)
MSDN Webcast: 24 Hours of Windows Mobile Application Development: Windows Mobile Networking (Level 300)
MSDN Webcast: 24 Hours of Windows Mobile Application Development: Windows . . . → Read More: Windows Mobile Application Development Training Videos/webcasts
