Hey Badger,
That image was made in TG .9 with image maps. Actually two main image maps...the flats or roofs was a tile image of cement around 800 x 600. The vertical columns was an image map of a mechanical vent even smaller in size...the vent image had a cool sideways sun and shadow angle that worked well when you matched the number of tiles and the image map direction in TG .9. I think TG .9 had a better way and more control for overlaying image maps for surface textures...TG 2 almost demanded that you make the surfaces yourself. I'm not good at making natural looking layers but, in TG .9 I could overlay natural or real image maps as surface layers and textures. The image above it used the same two image maps...just different atmo and camera angle....
Thanks,
Mark