2nd place By https://gitlab.xfce.org/denys Lots of blue, green and red pain splashes across the wallpaper following a line from the top left to the bottom right. The XFCE logo is in the center with the mouse ontop.
https://cdn.fosstodon.org/media_attachments/files/113/566/199/263/880/256/original/cb12b939830a3fb2.png