Expression Blend Tutorial link

Lately I have been working on design time data and unit testing with respect to MVVM frameworks. Most of the design time data work I have done is in the XAML with interfaces. That brings up another question, does these frameworks ‘blendable’? Unfortunatly I never did any work on Expression Blend, so I switched my focus to Expression Blend for the last two days with design time data in mind. This morning I came across the following link and it is worth sharing and useful any expression blend newbies like me. If you all have any MUST read for expression blend newbies, please send it to me.