It takes less than 1 minute!
T U T O R I A L
The PCSX2 emulator has a tool that let us to quickly detect every game we have and then download and display all covers automatically.
Just head up to this GitHub page and copy the link to the type of cover you want displayed.
For default covers: https://raw.githubusercontent.com/xlenore/ps2-covers/main/covers/default/${serial}.jpg
For 3D covers: https://raw.githubusercontent.com/xlenore/ps2-covers/main/covers/3d/${serial}.png