How to Install flash player on Linux Debian

Not able to run flash on epiphany, Iceweasel and flock browsers? this was the problem i came across when i reinstalled debian linux on test computer in my office though after searching for a while on how to install adobe flash i finally found a way to do it and play flash content on the machine follow simple steps below

Step1: Download and install Debian Multimedia Keying

after downloading type the below command in the terminal
sudo dpkg -i debian-multimedia-keyring_2008.10.16.deb you can also use install by GUI

Step2: Add the below lines to the /etc/apt/sources.list

deb http://www.backports.org/debian lenny-backports main contrib non-free
deb-src http://www.backports.org/debian lenny-backports main contrib non-free
deb http://www.debian-multimedia.org lenny main

step3: execute apt-get update command on the terminal to update repository list
Next download and install the flash plugin/package
apt-get install flashplugin-nonfree

Now restart your browser now you can see the flash content being displayed on your browser