have a look in your logs to see where the referrers are, and what else is pulling content. Can certainly hotlink all your WP uploads
http://ebonyamateurxxx.com/photos/wp...loads/2012/07/
do a google on links:ebonyamateurxxx.com
all these your ones as well?
http://mrstiff.com/movie/ebonyamateu...etting_3653126
http://x-ho.com/homegrown/black/ebony/porn/by_date.html
try
http://www.javascriptkit.com/howto/htaccess10.shtml
with addition of flv etc