deb http://ftp.de.debian.org/debian/ testing main
deb-src http://ftp.de.debian.org/debian/ testing main
deb http://security.debian.org/ testing/updates main
deb http://ftp.de.debian.org/debian/ testing main contrib non-free
deb http://download.skype.com/linux/repos/debian/ stable non-free
#deb http://ftp.kulnet.kuleuven.ac.be/debian/ testing main
#deb-src http://ftp.kulnet.kuleuven.ac.be/debian/ testing main
#deb http://security.debian.org/ testing/updates main
#deb http://ftp.kulnet.kuleuven.ac.be/debian/ testing main contrib non-free
#deb http://download.skype.com/linux/repos/debian/ stable non-free