Did you look at the examples Larry mentioned in his post?
There are many more: e.g.
Basically, if you go through the articles listed in en:WP templates like the sexual slang template, the Outline of BDSM template etc. you will come across many such articles, all with high viewing figures.
Source:
The Flickr account has been closed down (usually for breach of Flickr's terms of service). Note that there are no 18 USC 2257 records demonstrating that the persons depicted were 18 or over. According to my understanding of US law, any Wikimedian who uploads or inserts such an image without having documentation of model age, name, and publication consent is in breach of US law; see discussion at
http://meta.wikimedia.org/wiki/User_talk:Philippe_(WMF)#Implications_of_2257_record_keeping_requirements_for_editors.3F