Background pattern green #2027
Green CC 0Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
Background pattern 245 (colour 3) #2190
Blue CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
blue glass design #2545
Blue CC 0The image is a design of blue glass.How about using it as background image?
Source Yamachem
Dark Stripes #39
Dark CC BY-SA 3.0Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Prismatic 3D Isometric Tessellation Pattern 6 #148
Dark CC 0Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
Black Linen 2@2X #104
Dark CC BY-SA 3.0A new take on the black linen pattern. Softer this time.
Source Atle Mo
Background pattern 245 #2192
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Retro Intro@2X #894
Gray CC BY-SA 3.0A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Stucco #294
Wall CC BY-SA 3.0A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Light Honeycomb #59
Light CC BY-SA 3.0Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Knitted Sweater #1097
Light CC BY-SA 3.0Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Mosaic tile #2481
Brown CC 0From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
Hexellence@2X #706
Light CC BY-SA 3.0Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Tex2res4@2X #718
Dark CC BY-SA 3.0Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Floral pattern 6 (colour 6) #2455
Fabric CC 0Alternative colour scheme for the original floral pattern.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black@2X #468
Dark CC 0Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Dark Matter #601
Dark CC BY-SA 3.0The name is totally random, but hey, it sounds good.
Source Atle Mo
"Polished Blue Stone", Seamless Web Texture #1052
Stone CC BY-SA 3.0An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Floral background 7 #2225
Yellow CC 0A floral background formed from numerous clones of flower 117.
Source Firkin
Background pattern 226 (colour 4) #2319
Green CC 0A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Green Subtle Web Texture #1334
Green CC BY-SA 3.0A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Mirrored Squares@2X #124
Dark CC BY-SA 3.0Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Blue on White Background Pattern #993
Stripes CC BY-SA 3.0A background pattern with blue on white vertical stripes.
Source V. Hartikainen