Step1: DownLoad -> install_flash_player_9_linux.tar.gz
Step2: tar -zxf install_flash_player_9_linux.tar.gz
Step3: Install FireFox
           #apt-get install firefox
Step4:

SmallBox:/home/Software/install_flash_player_9_linux# ./flashplayer-installer

Copyright(C) 2002-2006 Adobe Macromedia Software LLC.  All rights reserved.

Adobe Flash Player 9 for Linux

Adobe Flash Player 9 will be installed on this machine.

You are running the Adobe Flash Player installer as the "root" user.
Adobe Flash Player 9 will be installed system-wide.

Support is available at http://www.adobe.com/support/flashplayer/

To install Adobe Flash Player 9 now, press ENTER.

To cancel the installation at any time, press Control-C.



NOTE: Please exit any browsers you may have running.

Press ENTER to continue...



Please enter the installation path of the Mozilla, Netscape,
or Opera browser (i.e., /usr/lib/mozilla): /usr/lib/iceweasel

WARNING: The Adobe Flash Player binary is a symbolic link.
         The installer will replace this symbolic link with the actual binary.



----------- Install Action Summary -----------

Adobe Flash Player 9 will be installed in the following directory:

Browser installation directory = /usr/lib/iceweasel

Proceed with the installation? (y/n/q): y

Installation complete.


Perform another installation? (y/n): n


Please log out of this session and log in for the changes to take effect.


The Adobe Flash Player installation is complete.