This is Retro Mario World. It's a remake of SMB with Custom Graphics.
Screenshots:
http://bin.smwcentral.net/18262/Super%20Mario%20Bros_00002.png
http://bin.smwcentral.net/18254/Super%20Mario%20Bros_00003.png
http://bin.smwcentral.net/18255/Super%20Mario%20Bros_00004.png
http://bin.smwcentral.net/18256/Super%20Mario%20Bros_00005.png
http://bin.smwcentral.net/18257/Super%20Mario%20Bros_00006.png
http://bin.smwcentral.net/18258/Super%20Mario%20Bros_00007.png
http://bin.smwcentral.net/18259/Super%20Mario%20Bros_00008.png
http://bin.smwcentral.net/18260/Super%20Mario%20Bros_00009.png
Download: http://bin.smwcentral.net/18253/SUPER_MARIO_BROS_REMAKE.zip
(I know, the screenshots don't show up. I uploaded them to the file bin and copyed the text onto the post.)
Screenshots:
http://bin.smwcentral.net/18262/Super%20Mario%20Bros_00002.png
http://bin.smwcentral.net/18254/Super%20Mario%20Bros_00003.png
http://bin.smwcentral.net/18255/Super%20Mario%20Bros_00004.png
http://bin.smwcentral.net/18256/Super%20Mario%20Bros_00005.png
http://bin.smwcentral.net/18257/Super%20Mario%20Bros_00006.png
http://bin.smwcentral.net/18258/Super%20Mario%20Bros_00007.png
http://bin.smwcentral.net/18259/Super%20Mario%20Bros_00008.png
http://bin.smwcentral.net/18260/Super%20Mario%20Bros_00009.png
Download: http://bin.smwcentral.net/18253/SUPER_MARIO_BROS_REMAKE.zip
(I know, the screenshots don't show up. I uploaded them to the file bin and copyed the text onto the post.)