I remember looking at a website a decade ago dedicated to pumping [Tigerpumping, it's still around and even has a [words=http://www.mattersofsize.com/join-now.html]MoS[/words] link at the bottom) and that photo seems like it could've come from there.
Some of the photos there are also over 10 years old and they're insane. The ones that look normal rather than extreme seem to be the guys who managed to do things right (now if only they shared how they were able to accomplish that.)