Super Mario World Redrawn was released by icegoom as a graphics replacement pack. It requires Lunar Magic to re-insert the new graphical data and is geared towards anyone starting work on a Super Mario World hack who wants a complete and stylistically consistent sprite-set. Be sure to check it out over at
http://www.smwcentral.net/?p=section&a=details&id=5914. The pack contains some other goodies as well.
For those who just want to play Super Mario World with the new graphics and not mess with Lunar Magic, this patch has been created for your convenience.
Super Mario World (USA).sfc - NOINTRO
CRC-32: B19ED489
MD-5: CDD3C8C37322978CA8669B34BC89C804
SHA-1: 6B47BB75D16514B6A476AA0C73A683A2A4C18765
SHA-256:0838E531FE22C077528FEBE14CB3FF7C492F1F5FA8DE354192BDFF7137C27F5B