Help: Extra overlays on screen

[Extremity]

Hi guys. Just want to know if there's a way to add an overlay on screen. Like the encircled part of the pic to make our mod more realistic. Thanks in advance.

[4PEAT GrandSlam]

I think if someone can edit the hex of the scoreboard and change the resolution to background like, It's possible. But sir Dc311 said it's not possible.