This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
This one is amazing, truly original. Go use it!
Source Viahorizon
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Abstract Line Art Pattern Background
Source GDJ
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin