i have heard of a celtic faire being used as a front for hate-mongers.
and the participants were not even aware that they had been used this
way until the event was over! ugly...and here is some info..
if you look under storm front you will find more.
http://www.adl.org/hate_symbols/groups_stormfront.asp
http://www.adl.org/hate_symbols/racist_celtic_cross.asp
and here is a scary page from theri web site...including KKK...yikes!
http://www.stormfront.org/forum/showthread.php?t=131009
http://www.reed.edu/~gronkep/webofpolitics/fall2001/yagern/stormfront.html