Mugen 1.1 Screenpack 640x480 Link -

Resolution Revolution: Why 640x480 is the Goldilocks Zone for M.U.G.E.N 1.1 Screenpacks

Here are some well-regarded options:

Open your Mugen 1.1 root folder. Open data/mugen.cfg with Notepad. Look for the [Config] section. Ensure these lines are set exactly as follows: mugen 1.1 screenpack 640x480

Once the screenpack is installed, the real fun begins: customization. Unlike 320x240 screenpacks, 640x480 gives you room to breathe. Resolution Revolution: Why 640x480 is the Goldilocks Zone