User blog comment:Duelpiccolo/Which Steve looks better?/@comment-5157656-20130918215903/@comment-3495717-20130919172208

Quality-wise, .bmp is no different than .png. In terms of MUGEN, both get indexed to a 256-colour palette, so that doesn't matter. The only real difference between the two is the file size, seeing as .png is compressed, while bmp isn't.