A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Fix side and a seamless pattern formed from circles.
Source SliverKnight
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Background formed from the original with an emboss effect.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen