Sorry, I found more than one possible download. Perhaps you can get this app from its PPA.array(2) { [0]=> string(114) "https://code.launchpad.net/~snwh/+archive/ubuntu/pulp/+files/paper-icon-theme_1.4+r696~daily~ubuntu16.04.1_all.deb" [1]=> string(114) "https://code.launchpad.net/~snwh/+archive/ubuntu/pulp/+files/paper-icon-theme_1.4+r692~daily~ubuntu16.04.1_all.deb" }