Need Help Changing the Color, size, and shape of a button in x-code

Hi Every one. I'm new to XCode and I'm Trying to edit the "SysSound" sample code from Apple (found here)


IMG]http://www.brucewongconsulting.com/image.html[/IMG]

It give you three buttons in the template and i want to edit the text on the buttons, and instead of 3 buttons, I only want one big one. And i Need the words to say something different

How to I edit the buttons? Which files do i edit?

The
Thanks alos[