I created this desktop wallpaper a few months ago, but never got around to posting it.
This work is offered under the terms of the Creative Commons
The different resolutions are mixable, so for instance if you have a wide-screen panel at 1920 x 1080 and a standard aspect ratio panel at 1280 x 1024 you can grab wallpapers from each resolution and they will match up.
The source material was created by building a little matrix of about 20 LEDs and refracting the light through different semi opaque materials to get some organic sorts of blends going. There’s quite a bit of variety in the source images, so I’ll probably do some others soon.
Standard Aspect Ratio:
Widescreen Aspect Ratio: