This week on Lifehacker, we've got Linux distributions, backup solutions, Opera Mobiles and the piggy flu.

Opera Mobile 10 beta is now available (tabbed browsing and speed dial)
Make a detachable fish eye lens adapter BY YOURSELF
Lower your piggy flu risk at airports

How to manage a group project in Google Wave
Quick Steps is Office 2010's killer feature
mmKeys.dll makes iTunes work with other keyboards

Download Fedora 12 right now
Nerdcart, a mobile workstation and media center
Build a cheap but powerful Boxee media center

Google Tasks Client puts tasks (or any Google app) on your desktop
Pingtest assesses the quality of your internet connection
You're backing up data the wrong way

Five best online backup tools