It is fixed in karmic with vlc 1.0.0-1ubuntu1. The plugin is installed to /usr/lib/mozilla/plugins/libvlcplugin.so and links are created in /usr/lib/mozilla-firefox/plugins/ and /usr/lib/xulrunner-addons/plugins/. vlc is listed on about:plugins.
It is fixed in karmic with vlc 1.0.0-1ubuntu1. The plugin is installed to /usr/lib/ mozilla/ plugins/ libvlcplugin. so and links are created in /usr/lib/ mozilla- firefox/ plugins/ and /usr/lib/ xulrunner- addons/ plugins/ . vlc is listed on about:plugins.