Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Seamless Green Tile Background
Source V. Hartikainen
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed