DotNetOpenAuth MVC samples - project type not supported

DotNetOpenAuth MVC samples - project type not supported

I have an issue with the DotNetOpenAuth sample projects. I have Visual Studio 2008, with MVC1 installed, yet when i try open the samples.sln the 2 MVC projects fail to load, giving the error:

"Project type not supported"

Is there additional requirements other than VS an MVC?

Additional information in ASP.Net MVC View


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