Advertising Principles Class Photos with Strongerhead Jun 2014By Strongerhead / June 17, 2014 Here’s the Ad211 Advertising Principles FULL TIME class photos with Strongerhead taken on 5 June 2014 at Curtin Singapore. Here’s the Ad211 Advertising Principles PART TIME class photos taken on 7 June 2014 with my students at Curtin Singapore.