The iPhone extension helps create a mockup of an iPhone application in Fireworks. It automatically adds the iPhone wrapper when you preview the mockup, or package it for distribution as an AIR application. The slide-in, slide-out effects that are charecteristic of iPhone can be generated using this extension.Updated resolution to 480X320.

http://www.adobe.com/cfusion/exchange/index.cfm?event=extensionDetail&extid=1786031