2008/12/23 Thomas Larsen larsen.thomas.h@gmail.com:
Does the image need to be shown, given its nature which is offensive to many, many people?
Need is an unhelpful term. You don't need to exist the universe is quite capable of increase entropy without you.
It is widely accepted that if you are going to discuss an artwork such as a photo or painting you show the audience the photo or painting. So it would appear that by the norms of presenting this kind of information the image should be shown.
Again the Blind Faith album cover features in Dorling Kindersley's (who have published an encyclopedia or too in their time) 100 Best Album Covers: The Stories Behind the Sleeves