Dark Fish Skin #1048
 Dark  CC BY-SA 3.0

It almost looks a bit blurry, but then again, so are fishes.

Source Petr Šulc

 More Textures
Leafy design 18 (colour)@2XaFloral design 96 (colour) #1787
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Sneaker Mesh Fabric #1101
 Light  CC BY-SA 3.0

Snap! A crisp pixel pattern.

Source Victor Bejar

Decorative divider #2001
 Dark  CC 0

From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.

Source Firkin

Background pattern 259 #2133
 Red  CC 0

Remixed 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

Green Subtle Web Texture #1334
 Green  CC BY-SA 3.0

A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).

Source V. Hartikainen

Decorative divider 203 #2389
 Dark  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Page ornament #1989
 Dark  CC 0

Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.

Source Firkin

Fancy Deboss #177
 Fabric  CC BY-SA 3.0

Luxury pattern, looking like it came right out of Paris.

Source Daniel Beaton

Background pattern 9 (B&W) #212
 Dark  CC 0

Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net

Source Firkin

Floral background #1973
 Dark  CC 0

Remixed from a drawing in 'Line and form', Walter Crane, 1914.

Source Firkin

Decorative divider 236 #2090
 Dark  CC 0

From a drawing in 'The Quiver of Love', Walter Crane, 1876

Source Firkin

Finery #1370
 Wall  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Fruit pattern 4 #2453
 Pink  CC 0

A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.

Source Firkin

Egg [email protected] #862
 Light  CC BY-SA 3.0

It’s an egg, in the form of a pattern. This really is 2012.

Source Paul Phönixweiß

[email protected] #668
 Dark  CC BY-SA 3.0

Your eyes can trip a bit from looking at this – use it wisely.

Source Michal Chovanec

Fancy [email protected] #178
 Fabric  CC BY-SA 3.0

Luxury pattern, looking like it came right out of Paris.

Source Daniel Beaton

Floors & Block #1602
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Prismatic Dots Background 5 #509
 Noise  CC 0

Prismatic Dots Background 5

Source GDJ

Triangles #127
 Dark  CC BY-SA 3.0

Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.

Source Ivan Ginev

"Beige Stone", Tileable Texture #1025
 Stone  CC BY-SA 3.0

"Beige Stone", Tileable Texture.

Source V. Hartikainen

Prismatic Polka Dots Mark II No Background #530
 Noise  CC 0

Prismatic Polka Dots Mark II No Background

Source GDJ

Background pattern 336 #1721
 Pink  CC 0

Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.

Source Firkin

Vintage [email protected] #654
 Wall  CC BY-SA 3.0

Lovely pattern with splattered vintage speckles.

Source David Pomfret

Block Well #1698
 Colorful  CC 0

Background Wall, Art Abstract, Block Well & CC0 texture.

Source Ractapopulous

Gray Sand #17
 Dark  CC BY-SA 3.0

A dark gray, sandy pattern with small light dots, and some angled strokes.

Source Atle Mo

Cartographer #749
 Dark  CC BY-SA 3.0

A topographic map like this has actually been requested a few times, so here you go!

Source Sam Feyaerts

White Wall #1105
 Wall  CC BY-SA 3.0

Looks like an old wall. I guess that’s it then?

Source Viahorizon

Background pattern 314 (colour 5) #1835
 Pink  CC 0

The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Dark [email protected] #122
 Dark  CC BY-SA 3.0

Small dots with minor circles spread across to form a nice mosaic.

Source John Burks