The full story is here...
http://www.thelocal.de/society/20100714-28493.html
In fact the pictures are not real models, but rather computer-generated images based on “Playboy” model poses.
“Obviously we didn’t want to expose models to dangerous radiation,” Butter art director Nadine Schlichte told German daily Financial Times Deutschland.
I dunno... the way models look today, I can’t see much difference...