Marcus of Queensbury rules.  No side fights!

Here is the reponse to johnfields ConceptArt post.  Quote-

*Not many professional artists (in my experience) respect Poser, or poser "artwork". In most cases, it tends to be the equivalent to cutting out pieces of other people's work and pasting it into a scene. Maybe you could give us some more details about what specific parts you're responsible for. As an example, did you model that Ed 209 robot, or is this art theft? What about the ships in the background?-they look familiar

I'm not trying to be a dick, but if you want to work in 3d, you'd best be served by making your own models. -both for practical learning purposes, and artistic credibility. If you're just a hobbyist and just having some fun, then I suggest taking it to a poser specific forum.
Sorry if I've been harsh, but if I didn't say this stuff, someone else would have stepped in and done so.

*It seems to me they are calling in to question the freebie models he used,  not the artwork itself.