Create a web part for Sharepoint

http://msdn.microsoft.com/en-us/library/ms452873.aspx

http://www.15seconds.com/issue/040218.htm

http://www.dotnet-friends.com/Tutorials/Web/ASP/CSharp/7e5a860e-bede-452b-b4c7-2cbbf6ecf01b.aspx

http://www.intranetjournal.com/articles/200510/ij_10_10_05a.html

http://weblogs.asp.net/jan/archive/2005/11/23/431348.aspx

http://www.devx.com/dotnet/Article/17518

http://www.osix.net/modules/article/?id=660