How can I create Push Button ( Graphic )?

How can I create push button for iPhone. Just like a menu selection ( using png Graphic )? Would anyone offer kindly help? thanks…

Use Unity’s built-in GUI system:

http://unity3d.com/support/documentation/Components/GUI%20Scripting%20Guide.html

Follow the link “UnityGUI Basics”, it shows you exactly how to do a simple button.