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 'The Canadian horticulturist', 1892
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
8 by 8 pixels, and just what the title says.
Source pixilated
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
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
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers