PM mswantak, he owns Velographic and will be happy to assist you. I am in no way related to Mike, I'm just giving him a plug. Otherwise, listed below are a few decal makers.

http://www.velographicdecals.com/
http://ourworld.compuserve.com/homep...YDS/decals.htm
www.beldecal.com
http://www.vintagetransfers.it/listbici.htm
http://stores.ebay.com/Cyclomondo