watermarked screenshots

as i remember any watermarked by 5th parties screenshots are not allowed on the site? 

https://www.imdb.com/title/tt1454909/mediaviewer/rm1918259713/

right bottom corner

someone added 350 watermarked images to this gallery

https://www.imdb.com/title/tt1454909/mediaindex/?ref_=mv?ref_=mv_sm

i added years ago like 5 myself of clean and pure screenshots i captured myself so no watermarks no nothing