Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A comeback for you: the popular Escheresque, now in black.
Source Patten
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim