One thing: CONSIDER the polycount VERY much. Something like the sidewalk slab shouldn't be more than 6 polygons each or you'll choke your computer. (unless you have a renderfarm and render outside Poser)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.