Crystal Blob Light /usr/share/backgrounds/crystal/crystal-blob\ light.png Crystal Blob Dark /usr/share/backgrounds/crystal/crystal-blob.png Crystal Waves Horizontal /usr/share/backgrounds/crystal/crystal-waves-horizontal.png Crystal Waves Vertical /usr/share/backgrounds/crystal/crystal-waves-vertical.png Crystal Gaypaper /usr/share/backgrounds/crystal/gaypaper.png