A repeating background with a look of paper. I have added some changes to PatCreator. Now you can share your designs by submitting them to a new gallery section. Start by clicking Edit with PatCreator above.
Source V. Hartikainen
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Seamless Green Tile Background
Source V. Hartikainen
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
8 by 8 pixels, and just what the title says.
Source pixilated
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin