It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A new take on the black linen pattern. Softer this time.
Source Atle Mo
An alternative colour scheme for the original background.
Source Firkin
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Looks like an old wall. I guess that’s it then?
Source Viahorizon
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
A background pattern with a look of rough fabric.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin