The final two parts are available for the webcast Erwin and I were working on, links to the complete series are available below. This web cast has 4 short videos on building a search aggregator composite application using the Prism library. Through these videos we hope to give you an idea of how to put together a composite application and some of the tools Prism has to offer.
Part I: Basic solution layout and adding a module (10 minutes)
Part II: Visual Composition (10 minutes)
Part III: Implementing the View and Using Services (22 minutes)
Part IV: Decoupled Communication (24 minutes)