mmm..abis install ubuntu 6.06, eh flash player plugin di firefoxnya lom bisa, huehuehue..
coba pake $ sudo apt-get install flashplugin-nonfree ternyata ga bisa.. 
terpaksa manual deh..
kodokhunt@rohan:~/Desktop$ wget http://fpdownload.macromedia.com/get/flashplayer/current/
install_flash_player_7_linux.tar.gz
kodokhunt@rohan:~/Desktop/install_flash_player_7_linux$ ./flashplayer-installer
Copyright(C) 2002-2003 Macromedia, Inc. All rights reserved.
Macromedia Flash Player 7 for Linux
Macromedia Flash Player 7 will be installed on this machine.
You are running the Macromedia Flash Player installer as a non-root user.
Macromedia Flash Player 7 will be installed in your home directory.
Support is available at http://www.macromedia.com/support/flashplayer/
To install Macromedia Flash Player 7 now, press ENTER.
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Proceed with the installation? (y/n/q): y
NOTE: Please ask your administrator to remove the xpti.dat from the
components directory of the Mozilla or Netscape browser.
Installation complete.
Perform another installation? (y/n): n
Please log out of this session and log in for the changes to take effect.
The Macromedia Flash Player installation is complete.
done..