I have made a series of Tutorials with Peach. From the 101 basics to the advance stuff. And I just finish making a second serioes of videos that help with using her tooos better and how to bait reactions. Along with other useful things you would need to know to really use this character to her full ability.
So Here is the first set of vids to learning Peach competitive.
http://www.youtube.com/playlist?list=PL118909BFB734BEA9&feature=plcp
And here is the second series of tutorials I just finished today:
http://www.youtube.com/playlist?list=PL5D5375DD853D90FB&feature=plcp
And some Bonus material I found Peach could do a few days ago.
Peach grab setup/frame trap
http://www.youtube.com/watch?v=VPplOC96LKc&feature=plcp
if you have any questions feel free to leave them here or comment on the vid. or you can send me a message. W/e you want. And I will make a video response to answer it. So you can see and have a pretty good idea on what to do or how to do it.
Thanks to those that liked and sub. And I hope this helped out new players as we as old players to Peach.