Over at Simple-Talk.com, Steven R. McCabe has a great article about working with LINQ and using it to create a DAL/Entity layer for your application. There is no mention of Silverlight or WPF, but the article talks about things such as CRUD (Create, Read, Update, Delete) operations with LINQ and explains the subject very well with code ...

Over at the Swiss MSDN Team Blog, there is an excellent Silverlight tutorial video called ''Silverlight 2 Beta1 + WCF + LINQ to SQL = a powerfull combination''. In this 15 minutes video they show you how to use the combined power of Silverlight, WCF and LINQ to SQL to create a simple application. This is a very key video for anyone ...