A big part of why I started this thread, was just in case we got stuck with a Poser Specific problem, like this mapping err, that patorak and are have experienced!   I think I can prove this has happened, with this Bryce 5 animation.

I see Vue can also export Sphere objects!  When this Vue's Sphere prop is imported into Bryce 5, and textured with one of Vue's Sky Export Texture Maps, everything is hunky dorry!  This leeds me to believe that the actual Prop and Texture Map are exported fine; and that the err is some kind of Texuring Preferene that Poser is'nt engaging?

FYI - I used Bryce's default Parametric mapping style.  I thought I'd need it's Spherical, but did'nt.