Comment on this news article
Set Your Mac’s Wallpaper With A Terminal Command - Lifehacker Australia
http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNE9bKGLMhrrP6rVbkgympMv8MtQJA&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=wG7uVYDQD4e0wAGMmIG4Cw&url=http://www.lifehacker.com.au/2015/09/set-your-macs-wallpaper-with-a-terminal-command/