I haven’t made a post in awhile so i thought I might post something that may be useful. My apt sources list for my Lenny (testing) box for example. Maybe other Debian users could post theirs as well.
johnmann
# deb cdrom:[Debian GNU/Linux testing _Lenny_ – Official Snapshot i386 kde-CD Binary-1 20080505-10:54]/ lenny main
deb http://ftp.us.debian.org/debian/ lenny main
deb-src http://ftp.us.debian.org/debian/ lenny main
deb http://security.debian.org/ lenny/updates main
deb-src http://security.debian.org/ lenny/updates main
deb http://ftp.debian.org/debian/ testing main contrib non-free
deb-src http://ftp.debian.org/debian/ testing main contrib non-free
deb http://security.debian.org/ testing/updates main contrib
deb-src http://security.debian.org/ testing/updates main contrib
deb http://www.debian-multimedia.org/ testing main
deb-src http://www.debian-multimedia.org/ testing main
deb http://ftp.debian-unofficial.org/debian testing main contrib non-free restricted
deb-src http://ftp.debian-unofficial.org/debian testing main contrib non-free restricted
# If you have a gpg key URL use (replace URL with the key address):
#
# wget -q URL -O- | apt-key add –
#
# If you have a gpg key file use (replace FILE with the key file):
#
# apt-key add FILE
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