As it's the first time that we work on a project with Sourceforge, I have written a tutorial for getting familiarized with Sourceforge and his CVS system.
You can find it in the following URL:
http://almeria.dotnetclubs.com/forums/148/ShowThread.aspx#148
Remember that anyone in the workgroup willing to participate on this project, must register a Sourceforge account and report it to me.