and remove that copyright thing. if it's opensource, there's no reason why the copyright sign should be there.

you'll be fine if you go by the gnu public license (gnu.org)

(another suggestion: auto-linking by just typing in the web address. for instance ftp://ftp.dayzero.org would make a hyperlink like that. just to make b2 more useful, you could enter the target name in brackets as http://dayzero.org(dayzero) so it will appear as dayzero when posted.