Found out I can give Steam games custom artwork. So I figured i'd improve the default covers a bit. Also managed to sort the Doom games properly....through use of black magic ;) :
How to add any game to Steam, and set custom cover art | Pocket Gamer
SteamGridDB Steam Deck Plugin Let's You Change Artwork In Game Mode
Automatically put steam cover images for missing titles : r/Steam
Was able to do this thanks Custom Artwork for the Steam Library : r/Steam
SGDBoop: Adding Artwork to Steam and Non-Steam Games Easy - Steam Deck HQ
How To Get Animated Steam Game Covers - Cultured Vultures