One thing that I think has been missing from IronPython for a while now is a set of embedding samples. There are many host environments that IronPython can run in, and while they are all similar they have some differences to.
To correct this, I put together a set of IronPython Samples demonstrating how to embed IronPython in a console, WinForms, and WPF app, as well as writing a complete WPF app in IronPython.
Any feedback (and pull requests!) is welcome. In particular, I'd like to know what other platforms people are interested: Android, Windows Phone, Silverlight, ASP.NET, etc.