Very nice stuff and the style does look coherent.

The downloads appear to be images, not models. It looks like this is a designer showcasing his/her work.

Poser 11 Pro, Windows 10

Auxiliary Apps: Blender 2.79, Vue Complete 2016, Genetica 4 Pro, Gliftex 11 Pro, CorelDraw Suite X6, Comic Life 2, Project Dogwaffle Howler 8, Stitch Witch