WSS v3 Custom Web Parts

• http://msdn.microsoft.com/en-us/library/bb530302.aspx
• Creating a Windows SharePoint Services 3.0 Web Part Using Visual Studio 2005 Extensions: http://msdn.microsoft.com/en-us/library/aa973249.aspx
• Web Part Class: http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.webparts.webpart.aspx