We have setup a demo gallery http://www.antihotlinking.com/demo/gallery.html with a movie clip http://www.antihotlinking.com/demo/demo.mpg The time frame is set to 3 minutes. Please keep in mind that after you will visit the gallery where this movie is linked from, you will be able to download this movie in absolutely any way for 3 minutes.
What if the users have cookies disabled?
Will those users still be able to view movie files?