More Textures
Background pattern 259 (colour 5) #2098
Pink CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Floral background #1981
Dark CC 0Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
overlay crack #153
Noise CC 0This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Background pattern 235 (colour 3) #2253
Pink CC 0To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
"Dark Brick Wall", Background Pattern #1024
Stone CC BY-SA 3.0Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Paper 3@2X #32
Paper CC BY-SA 3.0Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Decorative divider 274 #1922
Dark CC 0Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Glass block pattern #2477
Brown CC 0Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Prismatic Rounded Squares Grid 3 No Background #489
Noise CC 0Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Black Thread #599
Dark CC BY-SA 3.0Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Floral design 99 #1776
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Cross Scratches@2X #626
Paper CC BY-SA 3.0Subtle scratches on a light gray background.
Source Andrey Ovcharov
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Background pattern 224 (colour 5) #2338
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
White Wall #771
Wall CC BY-SA 3.0A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Cardboard #278
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Overlapping planks 4 #2572
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Fruit on a branch #1967
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Diagonal Noise #181
Fabric CC BY-SA 3.0A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton