Originally Posted by k0nr4d

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)yourdomain.com/.*$ [NC]
RewriteRule \.(jpg|jpeg|mp4)$ - [F]

Or you can rewrite it to some fucked up disgusting video (1 man 1 jar or something) and display that for them instead, or like a video that just displays your domain or something.

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)yourdomain.com/.*$ [NC]
RewriteRule \.(mp4)$ /fuckedupvid.mp4 [R,L]