Texture2 {  # Real-time-off-the-net movie texture:
	filename "mbon>://some/mbon>/source"
}
  OR:
Texture2 {  # Movie texture:
	filename "http://path/to/some/movie/file.mpeg"
}
Browsers just need to be taught to understand new file formats and new
protocols.  The protocols have to be defined, of course-- has a protocol for
video streams been defined yet?  Are there any HTML browsers that let me say:
  <IMG SRC="mbon>://.....">    or:
  <IMG SRC="http://....mpeg"> ?
And yeah, I'm brushing over all of the synchronization and interaction 
issues, because