use imdb-thumbnailer as movie thumbnailer

[David Prieto]

> Well step one would be getting it into Ubuntu, so you may want to
> contact the MOTU team for that. Once you've done that much, we can
> discuss it more seriously.

Would filing a "needs-packaging" request enough? Or should I contact
them via IRC?

> After that, one question of mine would be what happens when the
> internet connection goes away; does it fallback to Totem's
> thumbnailer, or do we get the ugly octet-stream icon?

I haven't actually tried that, but using Totem's thumbnailer would be
the logical thing to do.

I'll contact the author on that one.