Thanks! I won't lie though, Marmoset makes it look so much better than UDK :\ You should definitely give it a try. I just wish I had a good high-poly model to show off in it. I'll post a picture of my diffuse/normal/spec soon.
Here's a combination of diffuse, normal, and spec maps I made based on one of my other metal siding meshes. I actually used these textures on a different version of metal siding though. I don't think it's really noticeable, so I might mix them up even more. I also have a question. I'm trying to do this with an engine in…