http://blogs.neudesic.com/blogs/david_barkol/archive/2006/03/22/82.aspx
Complex sample showing some features of Atlas Web Parts
http://atlas.asp.net/docs/Walkthroughs/DevScenarios/gadget.aspx
A short tutorial regarding Atlas Gadgets for Live.com
http://microsoftgadgets.com/blogs/gadgetnews/articles/1019.aspx
A more complex Atlas Gadget for Live.com
http://msdn2.microsoft.com/en-US/library/e0s9t4ck.aspx
MSDN library section for ASP.NET 2.0 Web Parts