i don't know of any euro parts houses outside of the obvious like CSP. stateside, take a look at CIP1. VERY reliable company, great pricing, and fast shipping (in the states anyway). i didn't see exactly what you are looking for, but here are some examples (and there are others):
smoked clear/red/smoked clear:
http://www2.cip1.com/ProductDetails.asp?ProductCode=C23%2D945%2D234%2DB
almost all smoked/red strip: