Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Colorful Floral Background 3 No Black
Source GDJ
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Retro Circles Background 5 No Black
Source GDJ
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Tiny circle waves, almost like the ocean.
Source Sagive
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
There are many carbon patterns, but this one is tiny.
Source Designova
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ