The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
An alternative colour scheme to the original seamless pattern.
Source Firkin
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
A version without colours blended together to give a different look.
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
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
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin