.net 2.0 ... 3.0 pre-requisites for ClickOnce
Joe Wirtley wrote a great article on the way to include .NET 3.0 pre-requisites when deploying click-once application in Visual Studion 2005.
http://joewirtley.blogspot.com/2007/07/clickonce-and-net-30-prerequisite.html
Note that, for the .NET 3.0 prerequisite to appear, you should have the Visual Studio 2005 extensions for .NET Framework 3.0 installed from http://www.microsoft.com/downloads/details.aspx?familyid=5D61409E-1FA3-48CF-8023-E8F38E709BA6&displaylang=en
... it seems obvious, but, you do not need this to use a 2.0 assembly that is using .NET 3.0!
-f.