Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
The image is a design of blue glass.How about using it as background image?
Source Yamachem
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
Neat little photography icon pattern.
Source Hossam Elbialy
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
Original minus the background
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin