The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Psychedelic Geometric Background No Black
Source GDJ
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
A browner version of the original weathered fence texture.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin