====== portable Opera setup guide ======

For Windows
  * install then copy opera to usb
  * setup portable flash player plugin
    * put NPSWF32.dll in ./program/plugins (which is located at c:\Windows\system32\Macromed\Flash\)

For Linux
  * download the tar.bz file
  * tar -xvf OperaAppName.tar.bz
  * run by ./opera
  * setup flash player plugin
    * download flashplayer tar file
    * tar xvf install_flash_player_10_linux.tar.gz
    * copy libflashplayer.so into ./opera/usr/lib/opera/plugins
    * config opera to path: Tool menu > Preference > Advanced tab > Content option > Plugin Options
      * add the path to plugin path
  * add-on manual ref: http://www.opera.com/docs/linux/plugins/install/

====== Opera Extension for Opera 11 and later ======

  * ad block
    * https://addons.opera.com/en/addons/extensions/details/opera-adblock/