I recently started up a Change.org petition to try to Change the way Facebook Deals with False reports of "Offensive Images".
Currently, is someone claims to be 'offended' by an image (be that an drawing, photograph, model image, whatever), Facebook has a habit of "FREEZING" the account of whoever posted that image, and they don't always investigate the image to see if it's legitimately Offensive.
I've known several artists, photographers, and models who have posted Extremely Tame (no nudity or offensive content) and had the image removed, AND their account frozen by Facebook. Many times, it's done out of spite from someone who doesn't like