This demonstration shows how to use the client object model from a Silverlight application. (Length: 11:15)
This demonstration shows how to use the client object model from a Windows Presentation Foundation application. (Length: 5:26)
This demonstration shows how to use the client object model from a console application. (Length: 8:47)
This video provides an overview of how to build remote applications for SharePoint. (Length: 4:55)