License: GPL3 unless specified otherwise

--BLUERAIN: modified from original by antechdesigns (https://www.opendesktop.org/u/antechdesigns/)

--SPRING: modified from original by antechdesigns 

--CYANBLUEBLOCKS: modified by user Utopia from anonymous original (https://www.wallpapervortex.com/wallpaper-26854_3d_cyan_blue_3d_blue_blocks.html)

--DARKNIGHT: modified by user JayM for MXFB from original by Susanlu4esm (https://wall.alphacoders.com/by_creator.php?id=102683), license CC0 - Public Domain.

--GALAXYCENTER: posted by Felix Mittermeier on Pixabay (https://pixabay.com/photos/milky-way-starry-sky-night-sky-star-2695569/) with an open Pixabay license.

--GOLDLINE: modified from original by antechdesigns for MX-17

--GREYCUBES: original image of unknown origin, modifications for MXFB by user ceeslans.  

--LIGHTBLUEABSTRACT: modified from original by antechdesigns for MX-17

--PINKWAVE: modified from original by antechdesigns for MX-17
