Background pattern 19 (outline) #204
Light CC 0A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
More Textures
Seamless Prismatic Quadrilateral Line Art Pattern No Background #379
Diamond CC 0Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Rocky Wall #41
Wall CC BY-SA 3.0High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Background pattern 214 (colour 6) #2372
Colorful CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Background pattern 275 #2033
Blue CC 0Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Background Pattern Green #1939
Green CC 0Fix and cc0 to get the tile this is based on.
Source SliverKnight
Dark Dot #647
Dark CC BY-SA 3.0That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Prismatic Groovy Concentric Background 2 #453
Noise CC 0Prismatic Groovy Concentric Background 2
Source GDJ
Worn Dots #709
Fabric CC BY-SA 3.0These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
"Dark Metal Plate", Web Background #1084
Metal CC BY-SA 3.0A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
"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
Decorative divider 283 (version 2) #1855
Dark CC 0Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Decorative divider 284 #1848
Dark CC 0From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Light Gray #1203
Gray CC BY-SA 3.0Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Background pattern 309 (colour 4) #1863
Green CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Tree and bird pattern #1983
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Decorative divider #1995
Yellow CC 0From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Cincinnati tablet 2 #2146
Dark CC 0Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background #573
Noise CC 0Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Church@2X #634
Paper CC BY-SA 3.0I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo