yeah i got my peace hangers off of ebay, and the tridangles are on there frequently, i think kristin roberge on the rec.bicycles.marketplace newsgroup sells the tridangles as well. i didnt pay much for mine, like $2 a package of 2. i got silver and black, but he had other colors too.
just did an ebay search for peace hanger and found the guy i bought mine off of:
http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WD1V
peace out
jeremyb