This video demonstrates how to expose various endpoints from WCF RIA Services. This is a great explanation and walk through of how to open RIA Services domain services to clients.

New to Silverlight? This is the session for you. This session will cover: how to get started building your first application, tooling, extensibility and deployment. We’ll also highlight the capabilities of Microsoft Silverlight on the PC, as well as support for Windows Phone.

Explore how Expression Blend lets you design and build rich, vibrant Windows Phone, Silverlight 4 and WPF 4 applications. Take advantage of a host of new platform and tools capabilities to produce better user experiences, with less code.

In this episode we are going to take a look at how we can use the take our in-browser Silverlight application and allow it to run Out of Browser (OOB). We will take a look at how we can let Silverlight perform the lifting as well as how we can provide coding to create the OOB application.
http://www.dimecasts.net/Content/WatchEpisode/178

Learn how to use the Microsoft Visual Basic/C# DLR integration to test a statically-typed application with IronRuby. See how to develop a Silverlight application end-to-end with IronRuby, and how programming with dynamic languages helps improve the dev experience.