Someone was raggin about a topic getting deleted for whatever reason about decals. These are the only links I have for decals. I hope it helps?
http://www.microscale.com/Merchant2/merchant.mvc
http://mopac1.tripod.com/oddballs3.htm#CNW
Screen=CTGY&Store_Code=MD&Category_Code=OSCALE&Product_Code=&Search=&Sort_By=newest&Per_Page=-1