Diamond pattern 2 (colour 2) #2267
Colorful CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
White Wall@2X #772
Wall CC BY-SA 3.0A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Dark Wall #817
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Billie Holiday #1002
Light CC BY-SA 3.0No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Snowflake pattern remix #156
Dark CC 0The base gradient edited so now more details are rendered.
Source Lazur URH
Background pattern 323 (colour 2) #1811
Blue CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2 #567
Dark CC 0Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Floral design #1985
Dark CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background pattern 198 (variant 2) #2509
Yellow CC 0A version without colours blended together to give a different look.
Source Firkin
Decorative divider 214 #2315
Dark CC 0From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
White Linen #839
Light CC BY-SA 3.0Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Prismatic Floral Background No Black@2X #476
Light CC 0Prismatic Floral Background No Black
Source GDJ
Smooth Wall #27
Light CC BY-SA 3.0Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Subtle Grunge@2X #1041
Light CC BY-SA 3.0A heavy hitter at 400x400px, but lovely still.
Source Breezi
SOS #1180
Light CC BY-SA 3.0I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Thick Textured Brown Paper #1070
Paper CC BY-SA 3.0A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen