Why not invite him to debate the issues publicly? I think people would take what you have to say about the man more seriously if you calmly debated him and articulated your arguments, instead of just being disruptive and obnoxious. And to the JDL: i am sure Galloway appreciates all the free advertising that you have done for his tour!
Judge orders Jerusalem Gay Pride attacker to undergo psychiatric evaluation (Haaretz)
from the article: George Galloway kicks off controversial Canadian speaking tour