Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A free seamless background with pink spots.
Source V. Hartikainen
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop