Welcome to the Mono.Xna developer mailing list.
If you would like to submit a patch, please create an issue for it on the project issue tracker, and then create a discussion thread about it here on the mailing list. If the patch is similar to one that already exists, then submit it as a follow up on the issue.
The project page can be found at: http://code.google.com/p/monoxna/
If you want to download the source, it can be found here: http://code.google.com/p/monoxna/source
Join the live discussion on IRC at #Mono.Xna on Gimpnet (irc.gnome.org, irc.gimp.net).