*BTW, if anyone has a decent .mat that looks like copper I'd love to hear about it.

*Dunno if this is any good for you, maybe u can do something with the copper part of this steam machine pic I took at the Vicorian Steam museum. Sorry its a bit blurred but it was spinning at the time. I will go through some other pics if u like and see if there is anything better for you. Im me if you want me to email the original pic.