On an Athlon64 (x86_64) with Fedora Core 2, the plugin
buffers to 99% and then hangs, using either Mozilla or
I can download (right-click, save) the video and play
it in mplayer directly, so the codecs are OK.
This works fine on a P4 (x86) machine. Both tried
using mplayerplug-in-2.66-1.1.fc2.dag (rpm installation
from the DAG repository).