I came across this contest, then a week later I found Robert Chartier's BareBones example, which has handlers for the common Channel events and a an OnLoad to let you know it loaded. Its a good way to start and see that "it works".
I've been working on an activity but it isn't ready to submit yet. I've got some performance issues because it is still very chatty and the game functions UI isn't done.
There is an FAQ, with some key links.
Forum : http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=112&SiteID=1
IE Leaky Patterns : http://msdn.microsoft.com/library/en-us/ietechcol/dnwebgen/ie_leak_patterns.asp?frame=true
I though it wasn't worth blogging, but it could be worse...
Maybe it will help us both : http://blogs.msdn.com/oallen/archive/2005/11/02/488263.aspx