Here if you need it :P http://forum.freeso.org/threads/using-volcanic-after-open-beta-starts.2429/#post-23498
Yep, I started that thread :) At the time (in January) he said there will eventually be a sandbox mode. As of now that hasn't happened so (for now) to use Volcanic I have to use the old version of FreeSO. I am (was) trying to see if I can't use the new version of Volcanic with it.