Hi !
I'm a catalan developer if you want you can contact me and I could translate to Catalan, a northern spanish country, Catalonia (cities for exemple Barcelona, Sitges, etc...)
I don't know wich is the way, but if you want I like translate your software.
Thanks for all.
have a look at this thread ;)
http://www.simplemachines.org/community/index.php?topic=102.0