This Totem plugin allows you to watch video streams from the Franco-German TV Channel Arte. http://plus7.arte.tv/
Sadly, this service is only available for IPs within France, Germany, Belgium, Austria and Switzerland.

Stable release: totem-plugin-arte-3.0.1.tar.gz
Ubuntu Package: Ubuntu repositories, since 10.10 or Nicolas' ppa (mainly for Ubuntu 10.04 LTS)
Debian Package: packages.debian.org