Grunge Wall #81
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
More Textures
Background pattern 334 #1729
Dark CC 0Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
"Dark Red Canvas", Seamless Web Texture #1221
Red CC BY-SA 3.0A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Dark Circles@2X #307
Dark CC BY-SA 3.0People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Cake pattern #2480
Colorful CC 0A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Black Linen #63
Dark CC BY-SA 3.0In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Seamless Prismatic Pythagorean Line Art Pattern No Background #569
Light CC 0Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Background pattern 197 #2513
Green CC 0A version without colours blended together to give a different look.
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
Element of beach pattern with background #254
Noise CC 0Element of beach pattern with background.
Source Rones
Page ornament 41 #2092
Dark CC 0Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Background pattern 248 (colour) #2180
Yellow CC 0To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Gray Dots Background Pattern #1127
Grid CC BY-SA 3.0A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Worn Dots #709
Fabric CC BY-SA 3.0These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Background pattern 1 #220
Noise CC 0A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
White Well & Star #1700
Wall CC 0Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Zig-zag pattern 2 #2417
Grid CC 0A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Dark Stone Wall Background #1054
Stone CC BY-SA 3.0A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen