the result of google changing it's algorhythm so that you have to add something like 'porn' or 'nude' in your search to get adult results in it's image search
the result is kinda gross
Google image search for anal porn => the result we've come to expect
http://www.picsarus.com/F1O13C.JPG
Google image search for anal => now
http://www.picsarus.com/56QHIT.JPG
hope enough people switch to Bing and they revert this change