Ubuntu 12 - Gnome Panels Overlapping Fullscreen Flash

Problem

After then installing flash and trying to watch a trailer in fullscreen, I noticed that the panels at the top and bottom of the screen were over the top of the flash video, making it impossible to see the controls.

Solution

To fix this run the following commands:

sudo add-apt-repository ppa:lavie-alexis/compiz-precise+placepluginfixed
sudo apt-get update
sudo apt-get upgrade

Source

Web Upd8 - Fix Gnome Panels