How To Add SMF To An Existing Application Using Blend
Run the SMF Install package, this will install the SMF binaries and register the associated controls with the Blend Asset Gallery.
From inside Blend, with your Silverlight application open select “Add Reference” and add a reference to the Microsoft.SilverlightMediaFramework libraries. Then, open the Assets tab and search for SMFPlayer.
Drag the SMFPlayer asset from the search results onto your design surface.
You can now configure the SMFPlayer to play media from within your application.