slhice of Ice Ltd has created a great iPhone template from scratch on a PowerPoint Slide. Yes, everything is done in Powerpoint. This could be very useful for giving proof-of-concept presentation to a group, teaching an iPhone course, or running any other slide deck that needs some iPhone love.
She used PowerPoint 2007 on a PC to create the iPhone and iPad template. Mac users should be able to create one in PowerPoint 2008. Checkout the step by step iPhone Powepoint template creation: