Hey man,
I use this .htaccess to protect from hotlinking:
## <HOTLINKING PREVENTION>
SetEnvIf Referer ^
http://free-pussysite.com let_me_in
SetEnvIf Referer ^
http://www.free-pussysite.com let_me_in
Order Deny,Allow
Deny from all
Allow from env=let_me_in
## </HOTLINKING PREVENTION>
I put this in my images dir. For instance try to open this:
http://www.free-pussysite.com/glamgi...age_tgp003.jpg
It should redirect you to my 404.html, but if you open it thru here it works:
http://www.free-pussysite.com/glamgi.../gallery1.html
I hope that's useful