Some of my things says "non commercuial" - some does not. Some are so old that they simply default to the new Non Commercial setting.

It all my later things, I specifically state in the readme that commercial RENDERINGS are ok, but that the item itself cannot be sold or shared.

I think most freebie creators are fine with commercial RENDERINGS of their stuff - the "non commercial" is usually just a "Don't sell this item" thingie.

Except of course when, as in SamTherapy's example, it's because others own the actual copyrights.

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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.