true Draw Desktop Background Have MATE draw the desktop background. 'zoom' Picture Options Determines how the image set by wallpaper_filename is rendered. Possible values are "wallpaper", "centered", "scaled", "stretched", "zoom", "spanned". '@datadir@/pixmaps/backgrounds/mate/desktop/Stripes.png' Picture Filename File to use for the background image. 100 Picture Opacity Opacity with which to draw the background picture. '#5891BC' Primary Color Left or Top color when drawing gradients, or the solid color. '#3C8F25' Secondary Color Right or Bottom color when drawing gradients, not used for solid color. 'vertical-gradient' Color Shading Type How to shade the background color. Possible values are "horizontal-gradient", "vertical-gradient", and "solid".