Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
Retro Circles Background 5 No Black
Source GDJ
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
It looks very nice I think.
Source V. Hartikainen
Prismatic Geometric Pattern Background 2
Source GDJ
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Abstract Tiled Background Extended 11
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin