Help talk:Customizing Monaco/Getting Started

How do I add the whole background image to my wiki?
 * --Haru Mclean Namikaze will swallow your soul...| talk''
 * I mean, how do I add the image to the whole of my wikia background? And how do I add it.
 * --Haru Mclean Namikaze will swallow your soul...| talk''