Hey,

Its only a small post and might not be that much use to you but:

http://blogs.msdn.com/windowsmobile/archive/2009/06/04/getting-started-with-widgets-on-windows-mobile-6-5.aspx

The blog in general tends to have lots of good content and is updated regularly enough to be useful without overloading you with info:

http://blogs.msdn.com/windowsmobile/

 

EDIT: Yeah, I just re-read your post as soon as I clicked submit and realised you have probably already seen their widget sample...