Need help from a sprite artist

Thanks but I'm not sure about this anymore. I just in one sitting played SMW from start to finish and completed all 96 exits along with beating Bowser and I do not believe changing Mario to Peach is going to be possible. Mario appears in several cutscenes destroying the Koopa castles as well as in the ending getting kissed BY Peach.

So I need to come up with another idea...

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Ok so I'm abandoning doing this for Super Mario World and I'm going to try and have this done for the NES Super Mario Bros. instead. So, now that we've gone a little easier is there still anyone who wants to partake in this one? I'm going to do some basic text editing and try and add a few little things to the game levels but would like to see if we can replace Mario with Peach or another female.

Anyone know of any NES games where a female sprite approximately Mario's size that I can maybe use to replace?

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Ok, I've ripped Peach (big and small) from Super Mario Bros 2 and the Cherry graphic (wife LOVES cherries). It just so happens my wife loves the original Super Mario Bros the most, it is like her favorite game so I'll go with this.

Can anyone replace Mario with this Peach and replace the fire flower power up with the cherry? I also need to have Peach at the end of the game replaced by Mario.

http://www.jce3000gt.com/public/smb_proj.rar