@toothlessgrinn
It is easy to do that
1. Update as below code in layout nut file.
Old: local bezel = fe.add_image( "bezel.png", flx*0.245, 0, flw*0.51, flh*1 );
New local bezel = fe.add_artwork( "bezel", flx*0.245, 0, flw*0.51, flh*1 );
2. Put bezel artworks (make sure same as rom name) in somewhere eg. C:\AM\MAME\bezel
3. Add below line in C:\AM\emulators\mame.cfg file
artwork bezel C:\AM\MAME\bezel
4. Done