Think users sharing music files via your network was bad? There's even worse news for you --- a new survey has found that video downloads make up 61% of all file-sharing traffic. Video files, of course, are much larger than music files. And unfortunately, you can bet that the files people are sharing aren't just old re-runs of the Brady Bunch. Given the bottom-dwelling nature of some net users, expect at least some of those file to be pornographic videos. "Debby Does Dallas" using your bandwidth? Sad, but true.