If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen
A seamless web texture of "green stone".
Source V. Hartikainen
Psychedelic Geometric Background No Black
Source GDJ
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin