12/13? How about telling them what they probably already know - dirty old men what to purve over them via webcam, and if you know how to find it, you can find tasty pictures?
Not only does filtering not work, it's a dangerous 'cotton wool' restriction.
1. I have some software that can do that, but it basically takes over the OS - not perfect. I'll keep an eye out. Oooh, 9/10pm - they'll love you when they end up with GCSE/A-level coursework that they work up until 1am on, and find they can't do research after 9pm.
2. There's always a way round it, and I'd be happy to show them.
Sorry, I seem obtuse for a festive day.
[/rebel][... liberalness]