Yes, I was thinking the same thing.
Since this is/was pretty much a free time exercise, it may take longer than I thought ( especially because of my limited texturing skills )
I could use a good advice on achieving realistic, weathered look with textures.
P.S. you can find the track link here, if you´re interested: http://forums.sketchucation.com/viewtopic.php?f=15&t=25487