Today at Facebook F8, Corporate Vice President Dan'l Lewin announced a new partnership between Microsoft and Facebook.
Here's a screenshot
And here's a view of the results, the images are dynamically retrieved from a user's profile.
It's not just Popflyers, any of the 14 million Visual Studio Express downloaders (and pro Visual Studio customers as well) to build Facebook applications using the Facebook Development Toolkit and build application ASP.NET, Windows Presentation Foundation, Windows Forms and any other
Check out the Showcase page for more information including ASP.NET Quickstarts and video tutorials.
For configuration on Popfly, click the "Needs Key link on the Facebook block" or select the Video Tutorial and you'll see a Facebook configuration block
Big props to Doug Handler and Christopher Griffin on our team, the adCenter team, the non-pro team, and Dave Morin and the rest of the Facebook team. Perhaps I'm biased, but this is the biggest developer partnership from Microsoft I can think of.
I'm at the all-night hack-a-thon so I'll be publishing live pictures a bit later.