Well, I use http://www.zoneminder.com/, it's free and a very good software. It can record as a movie (mpg, etc) or as images (jpg). It also has some motion detect alarm. There is no debian package for this sw, but you can download the .tar.gz.
Cheers, Sergio -- "Meine Hoffnung soll mich leiten Durch die Tage ohne Dich Und die Liebe soll mich tragen Wenn der Schmerz die Hoffnung bricht"
