1.download flash player package,download address:http://download.pchome.net/multimedia/flashtools/detail-35339.html
2.Extract software: $tar -xzf install_flash_player_10_linux.tar.gz
3.$sudo cp libflashplayer.so /usr/lib/mozilla/plugins copy the file [libflashplayer.so] to folder /usr/lib/mozilla/plugins
4.restart your explorer.
after these,you can listen to the musics and watch movie online.