Jaime Rodriguez , WPF Technical Evangelist at Microsoft has posted some videos from the recent Windows Phone Design Day in the MSDN Channel 9 .
If you are currently developing Windows Phone 7 Applications or planning to do it any time soon, then its a much watchable videos as it provides a lot of information about Windows Phone 7 .
Here are the list of sessions…
This video provides the guidelines for responsive user experiences on Windows Phone.
This Video explains the templates that is used in Windows Phone 7
Karen explains about the voice in Windows Phone 7 .
As the title suggests , this video talks about the Panoramas used in Windows Phone 7
Rhon Manlapaz and Ryan Bickel talks about the core controls used in developing Windows Phone 7 Applications .
Tirthankar talks about the target screen sizes for the Windows Phone Applications
Matthhew Bennett demonstrates how to create audio in windows phone 7 that can sing ..
Ayman Raslan and Franklin discuss the aspects of localization and internationalization while developing the Windows Phone 7 Applications .
This video explains the roadmap for the Expression Blend for Windows Phone 7 .
Chris Kilbourn talks about the documentation and guides for Windows Phone designers.
The video explains the the motion on Windows Phone 7.
Jeff Fong, provides an overview of the Metro UI .
You can find the videos here . The link also includes some more videos on .NET Client Profile , New Text stack in WPF , Graphics Improvement in WPF etc.