Is it possible it protect a DVD so average PC user couldn't take files?



Hi I work for a Photography bussiness and my boss asked my to look for a program that would make it possible to put a slide show on a DVD with out more or less giving away the ‘negitives’ to the pics. I searched this forum and found info on encrypting a CD or a Movie type Dvd but as this is almost a combo of the two I wasn’t sure if the same promgrams would work. Plus the posts were over a year old. Thanks for any help you can give me Piper