Useful walk-throughs for creating visual webparts using VS 2008

http://greggalipeau.com/2008/05/18/developing-sharepoint-solutions-in-visual-studio/

http://www.greggalipeau.com/2009/05/18/developing-sharepoint-webparts-using-user-controls-and-web-applications/

This was my folder structure

Note that references to the images look like this:

ImageUrl="~/_layouts/IMAGES/AwtCalendar/rbut.gif"