Let me interject my nerdiness. Steampunk isn't exactly a fashion as much as it is an idea. It is modern mixed with steam engine era tech/fashion. Not sure if that clears it up, but here is what it looks like to go along with the original pics in this thread. It's usually done with lots of brass, copper and leather wrapped around a modern objects/fashion.

[Linked Image from designtavern.com]

[Linked Image from geeky-gadgets.com]