Originally posted by Paper Koopa
The classic Goomba glitch when you stomp it.
1 in the patch section there is a patch that make a the stomping tile a unused 5up tile. It´s called:Squished Goomba tile fix.
Open YY-CHR (download it on the tools sections) extract your graphics
whit lunar magic.
Then open GFX00.bin whit YY-CHR.
The search a unused 5up tile.In that tile make or copy the graphics when a goomba is stomped.
Like this:

there you see a tile whit the stomped goomba.