Software:
Poser 6 : http://www.e-frontier.com/
Daz Studio, Hexagon, Cararra, Bryce : http://www.daz3d.com
Magna Studio: http://www.contentparadise.com/us/user/home.php
Models:
Content Paradise: http://www.contentparadise.com/us/user/home.php
Poser Pros : http://www.poserpros.com
Daz3d : http://www.daz3d.com
Renderosity: http://www.renderosity.com
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Many of the looks to the models are provided by myself and some are even sold through my stores at Daz and Poser Pros.
http://www.daz3d.com/i.x/shop/artistlist/-/?artist=24600
http://poserpros.daz3d.com/store/merchstore.php?merch=6121