Silverlight 4应用程序中的DLR脚本

I would like to add some scripting support to a Silverlight 4 application that I'm working on. I have the latest stable releases of both IronRuby and IronPython installed on my machine with Visual Studio 2010. I looked at some samples of using the ScriptEngine class with both IronRuby and IronPython. I even got it to work in a small Windows Forms app to make sure my code works. However, I can't seem to Add Reference for the required Assemblies/DLLs to my Silverlight 4 application.I would like to add some scripting support to a