Finally, if I may be so bold as to comment on a product which I purchased from Renderosity some time ago ( and which appears no longer available ). 

This is the Maptroplis product by IMP, which did not have the Material Room settings to work correctly inside Poser 7.  I found a solution to get the textures to work on the buildings by using this "formula":

( see screen capture ).

Eternal Hobbyist