This website contains notes about all the things possible with the MVVM pattern using Cinch (V2. No experience with Version 1 required!) as your primary API. Many of the stuff will apply as it is to Silverlight but here I will focus on WPF.
Note You can download all of the code samples from here (PS: BitBucket is AWESOME. Especially since they provide mercurial AND private repositories + unlimited space! Also check out the best mercurial tutorial in the world and a Visual Studio plugin to match)
Tutorials in increasing order of knowledge: