Hey, http://apt.puredata.info/autobuild/latest/Pd-0.43.1-extended-ubuntu-lucid-i3... to be a broken file, as well as the one at http://apt.puredata.info/autobuild/2012-08-15/Pd-0.43.1-extended-20120815-ub... The last working i386 deb for Lucid is: http://apt.puredata.info/autobuild/2012-08-14/Pd-0.43.1-extended-20120814-ub...
András