Does not seem to be working? The 404/403 errors work but you can still hotlink for some reason. Also is there anything missing from it?
ErrorDocument 403
http://www.penis-health.com/404.html
ErrorDocument 404
http://www.penis-health.com/404.html
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^
http://penis-health.com.*$ [NC]
RewriteCond %{HTTP_REFERER} !^
http://www.penis-health.com.*$ [NC]
RewriteCond %{HTTP_REFERER} !^
http://penis-health.com:80.*$ [NC]
RewriteCond %{HTTP_REFERER} !^
http://www.penis-health.com:80.*$ [NC]
RewriteCond %{HTTP_REFERER} !^
http://66.181.161.10.*$ [NC]
RewriteCond %{HTTP_REFERER} !^
http://66.181.161.10:80.*$ [NC]
RewriteRule .*[Jj][Pp][Gg]$|.*[Gg][Ii][Ff]$
http://www.penis-health.com/hotlink.html