deb http://packages.freecontrib.org/plf dapper free non-free deb-src http://packages.freecontrib.org/plf dapper free non-free
http://packages.freecontrib.org/plf/dists/dapper/free/binary-i386/
Looks like you just have to take "ubuntu/" out of the URL
deb http:// packages. freecontrib. org/plf dapper free non-free packages. freecontrib. org/plf dapper free non-free
deb-src http://
http:// packages. freecontrib. org/plf/ dists/dapper/ free/binary- i386/
Looks like you just have to take "ubuntu/" out of the URL