So going to your  game setting  page and enabling the  background image  does nothing?  I think to get to the javascript console you have to do the following   In Google Chrome  Use the keyboard shortcut: Command - Option - J (Mac) or Control -Shift -J (Windows/Linux). If that doesn't work, follow these instructions:  <a href="https://developers.google.com/chrome-developer-tools/docs/console#opening_the_console" rel="nofollow">https://developers.google.com/chrome-developer-tools/docs/console#opening_the_console</a>