As CyberSafetyEd explains: "Sexually explicit content: child/adult pornography, semi-nude and/or nudity. "
Didn't you look at the upload graphics? It's plain to see. If it's OK by your judgement and going to remain as it, I expect the site will eventually be blacklisted by content-filters designed to block explicit content from viewing by kids and those who don't care to see 'soft porn' online. Yeah, lots of the nose art in combat theaters was 'mildly' pornographic, though most was more cartoon-like in nature. What air and ground crews got away with was very much up to their unit commanders. But this isn't WW2 or the Gulf War, it's a popular website about flight simming, and maybe some judgement ought to be exercised since kids of all ages, youngsters and oldsters, are present. The thumbnail of the plane is enough, no need for the closeup, you think?