Flash plugin for 64 bit Ubuntu 10.04

Use the Adobe Flash PPA and install the flashplugin64-installer package. You can do this by copying and pasting the following into a terminal:

sudo add-apt-repository ppa:sevenmachines/flash 
&& sudo apt-get update 
&& sudo apt-get install flashplugin64-installer

You will need to restart your browser after installing for Flash to work.