sure, for personal use only, anything can be added to a local dictionary, via the RMB.
Yeah, I mentioned in my post that I knew how to do it one word at a time.
It seems to get updated spelling dictionaries, one has to go to the firefox site and download/install the latest. Though Obama isn't there yet.
Neat, wasn't aware of that. I'll go look for it, but do you have a link? *edit* or maybe I need clarification - when you say "download the latest" do you mean the latest dictionary or the latest Firefox build? */edit*