Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
Adobe Reader 9.5 - /usr/lib/mozilla/plugins/nppdf.so
iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-plugins)
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)
DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
VLC Multimedia Plugin (compatible Totem 2.30.2) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)