Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Black And White Floral Pattern Background from PDP.
Source GDJ
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Psychedelic Geometric Background No Black
Source GDJ
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo