Small Crosses #115
Stripes CC BY-SA 3.0Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
More Textures
Decorative divider #1943
Dark CC 0Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Subtle Grunge@2X #1041
Light CC BY-SA 3.0A heavy hitter at 400x400px, but lovely still.
Source Breezi
Dark Matter@2X #602
Dark CC BY-SA 3.0The name is totally random, but hey, it sounds good.
Source Atle Mo
Prismatic Hypnotic Pattern 2 No Background@2X #574
Noise CC 0Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Geometric pattern #2002
Dark CC 0A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Background pattern 235 (colour 2) #2254
Blue CC 0To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Iron Grip@2X #588
Dark CC BY-SA 3.0Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Decorative divider 290 #1817
Dark CC 0From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Dark Wall@2X #818
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Diamond pattern 2 (colour 2) #2267
Colorful CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Noise Pattern With Subtle Cross Lines #179
Grid CC BY-SA 3.0More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Decorative divider 236 #2090
Dark CC 0From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Subtle Freckles@2X #90
Light CC BY-SA 3.0This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Floral pattern 11 #1770
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Batthern@2X #325
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Decorative divider 188 #2521
Dark CC 0From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
Office #957
Dark CC BY-SA 3.0I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Retro Intro #893
Gray CC BY-SA 3.0A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Bark #1379
Wall CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Wavy background #2023
Pink CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Maze White@2X #1047
Light CC BY-SA 3.0Just like the black maze, only in light gray. Duh.
Source Peax