Flash player

The Adobe Flash Player is freeware software for viewing multimedia, executing rich Internet applications, and streaming video and audio, content created on the Adobe Flash platform.

Install plugin in Slackware64 14.0

   1 wget [[http://get.adobe.com/flashplayer/completion/?installer=Flash_Player_11.2_for_other_Linux_(.tar.gz)_64-bit]]
   2 cp /home/vitor/Downloads/install_flash_player_11_linux.x86_64.tar.gz / 
   3 cd /tmp
   4 tar xvzf install_flash_player_11_linux.x86_64.tar.gz 
   5 mv libflashplayer.so /usr/lib64/mozilla/plugins/

Chromium open in URL address textbox about:plugins, and it should appear

Adobe Flash Player - Version: 11.2 r202
Shockwave Flash 11.2 r202

Open URL http://helpx.adobe.com/flash-player/kb/find-version-flash-player.html to check if the player is running.