The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
A browner version of the original weathered fence texture.
Source Firkin
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen