Hadn't seen this when I posted. Virgin Killer actually cause wikipedia to be blocked for a while by the Internet Watch Foundation because of their article on the album. The decision was reversed quickly though.
...but back to the case, it's clearly a money making scheme, I've seen interviews in the past where he said it opened doors to him and he wouldn't have been as successful without it.
As for child porn claims, that's ridiculous, there's clearly no sexual intent in the image so it isn't porn...
Hmm, I have all three of those on vinyl, I don't have Virgin Killer by The Scorpions though, which has a much dodgier sleeve.
https://en.wikipedia.org/wiki/Virgin_Killer
A difficult one for me, narrowing it down to one. Although my main tastes are rooted firmly in the rock/metal/punk/indie genres, I've also been a big fan of rap since the days of Public Enemy and Run DMC, I love 60s soul, 70s glam and my wider tastes are incredibly diverse meaning cheesy pop...