If pictures are hot linked, you can block them accessing your pictures with .htaccess like below.
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)?yourdomain.com(/)?.*$ [NC]
RewriteRule .*\.(gif|jpg|jpeg|bmp)$
http://www.yourdomain.com/ [R,NC]
It works with my unix box but you always test before you go to production.
In movies case, you need a software. I don't remember the software name but you google it or someone here may help you.