While watching a youtube video by TNT amusements on Black Pyramid, I saw that they added an LED behind the moving center target.
I think it was from this place:
https://www.pinball.center/en/shop/pinball-modding/noflix-target-light/387/noflix-target-light-cool-white?c=2271
Not sure if this is the exact item, but it is similar.
If I had a Black Pyramid, this would be the 1st type of mod that I would do...