… in /etc/apt/sources.list

deb http://ppa.launchpad.net/andreas-diesner/garminplugin/ubuntu lucid main
deb http://ppa.launchpad.net/tualatrix/ppa/ubuntu lucid main
deb http://ppa.launchpad.net/ferramroberto/minitube/ubuntu lucid main
deb http://ppa.launchpad.net/jd-team/jdownloader/ubuntu lucid main
deb http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu lucid main 
deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu lucid main