Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
Gnome Shell Integration - /usr/lib/mozilla/plugins/libgnome-shell-browser-plugin.so (gnome-shell)
iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
VLC Multimedia Plugin (compatible Totem 3.4.3) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)
DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
Windows Media Player Plug-in 10 (compatible; Totem) - /usr/lib/mozilla/plugins/libtotem-gmp-plugin.so (totem-mozilla)
QuickTime Plug-in 7.6.6 - /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so (totem-mozilla)