You are right, some of the thumbnails show nudity but I checked it, they are all marked that there is nudity. If you don't want to see nudity you have to check this in in your user setting under Gallery "Hide Nudity? Filter thumbnails of items containing nudity?".

That's how the galleries deal with nudity, violence and language.

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Ulli

"Never argue with an idiot. They drag you down to their level and beat you with experience!"