Torpark is a hack of mozilla firefox that uses TOR Networks to make you annoynmous on the web.

http://www.newsfactor.com/news/New-...id=11100A78DGQC

Article I found through google news.

http://torpark.nfshost.com/index.php

torpark homepage.

I would have tested this but it is PC only and I'm at work on an iMac.

Another thing I should mention is that it is made to be portable on a thumb drive.