About iPhone graphics handle problem

Hi! I'll try to make iPhone Game by EDGELIB.
iPhone add png file to Resources grops. And it creates image pointer of each file. So iPhone handle for gamegraphics to use it.
How can we hadle png format on EDGELIB for iPhone?
And What is method for loading graphic file and animate it on EDGELIB for iPhone. Or Where are samples(information) about it?
iPhone add png file to Resources grops. And it creates image pointer of each file. So iPhone handle for gamegraphics to use it.
How can we hadle png format on EDGELIB for iPhone?
And What is method for loading graphic file and animate it on EDGELIB for iPhone. Or Where are samples(information) about it?