I certainly mean no offense, nor do I mean to argue, but if you like I can link all the models, poses, and such that they are using for the characters. Regardless, I do apologize if I stepped on toes. Now working with Daz models (the same used here and with the same poses and expressions precisely lining up), I would say these are Daz models with photoshop (of which you all know I am quite familiar) add-ons and actions.
I am working on finding it. I believe I will buy this one:
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It's very close, if not exactly what they are using, but I am still searching. When I stumble upon it, I shall post here and you can upload a photo and I will change it.