The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Abstract Geometric Background 5
Source GDJ
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis