A brief note: This forum thread contains two Christmas add-ons for the koko-aio shader of RetroArch. As a regular reader, you will know that this is my absolute favorite shader, for which I complile an arcade artwork collection on GitHub.
Forum thread: https://forums.libretro.com/t/merry-christmas/43569
My arcade artwork compilation for koko-aio in RetroArch: https://github.com/estefan3112/koko-aio-slang
This Christmas artwork also makes heavy use of the ambilight effects, and the results are incredible. Just see how the background colors change with the color of the game.
Theme 1 by koko-aio:
Theme 2 by alexb3d:
Enjoy a festive gaming season!