If you're not familiar with Nix, the developers have a video online:
http://blip.tv/file/4726612
Can that be viewed without running nonfree software?
I could not watch it with Trisquel 5.0. :-( -- Saludos libres, Quiliro Ordóñez (593)2-259 5632 (593)2-340 1517 (593)9-675 9641
