Horrible interface, horrible manual. I found this thing lurking on my HD and I couldn't figure out what it was. Not obvious from the program itself, the About box, or the manual. Then when I figured out what it was, I couldn't figure out how to make it work. Definitely the most unintuitive interface I have ever seen running on a Mac. I can't understand why this thing gets such high ratings. First time I've found free software that wasn't worth the asking price. It's going into my trash right away.