Yep. The info is also in the second post of this thread.
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I fixed the bevel highlight and the uzebox is in the repo.
I plan to continue hitting this stuff hard while I have the time. Let’s see how much of my list I can get done. 
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I just put together a console theme idea real quick. Looking at it I think basic color changes will most likely be the best.
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Looks good!
BTW…
Just to cross a quick system off the list I went ahead and did the Jump 'N Bump graphic.
It is in the repo. 
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Here is a WIP on the Sinclair ZX81.
Here we go again working within the bottom 25% of the gray scale range. 
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Not bad… although I think it leans a bit too much to green.
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hy!!! is it an official console? I don’t remember… what games that company made?
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The Uzebox is a retro-minimalist 8-bit open source game console. It is based on an AVR 8-bit general purpose microcontroller made by Atmel. Check out http://uzebox.org/wiki/Games_and_Demos for the list of games released.
I never heard of this system either.
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I installed the Mega Bezel Duimon ADVANCE shaders and they look amazing, if I wanted to add a little more filters or lines to some games… how do I do it or where do I edit?
thank 
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If you are talking about the GDV CRT portion of the shader, they are at the bottom of the parameters list. Just press up when you open the dialog to get to the very end.
If you are talking about something else I need you to be more specific.
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I did what you told me but I can’t find that word GDV CRT! it’s like adding scaline, to hide a bit the pixels or edges of nes and snes sega games
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Yeah it’s lot listed as that, here…
This is after the grade stuff. Everything below this heading is for scanlines etc.
This is only for presets with “Guest” in the name. “LCD-GRID” is different.
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Here are some shots of the Sinclair ZX81.
I have yet to find any colored games but even they are monochrome I believe. I think it looks good in amber monochrome mode.
This graphic may be a little premature, the core is not very complete. I haven’t been able to figure out the keyboard mapping and it may be different for each game. The defaults do not work.
If it were a MAME machine I wouldn’t release the graphic, but I will since it is an RA core.
This was a simple but tedious graphic. I plan on doing some more of the simple ones next, in order to get as many done as I can.
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According to Wikipedia The ZX81’s built-in RF modulator can output a video picture to either a UHF 625-line colour or monochrome television. So monochrome would most definitely be the best way to go.
From the Libretro Docs on EightyOne core:
Colorization works by loading a program prior to loading the game. This program will check if the
Chroma 81 expansion is installed, and, if it is, configures the colors of the ZX81 characters, and
then loads the original game, which runs unaware that it's playing with colors.
Since the EightyOne core can't load arbitrary programs from the file system, the colorization
program and the game must exist in the same file.
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Yeah, I just found a link to some color roms. I will try them out and see what I can do for the key mapping. Maybe the guys over at Batocera can help. I think they support this system.
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You have to change the [Viewport Zoom] Settings. To get the exact, or at least close to the picture, use the following
[Viewport Zoom]
Viewport Zoom: 148.60
Viewport Position X: -3
Viewport Position Y: -64
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Actually, my presets are set up to use Non-Integer Scale % to do this. You will probably have to do some Screen Y Position adjustment as you go.
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