I want the user to be able to take a photo and fit it in a mask with pan/tilt/zoom.

What would be the good way to do that ?

Here is an example of what I am talking about: http://images.macworld.com/appguide/imag...23/ss1.jpg

I'm sorry, I may not be expressing myself really well.. It may explains why I can't find anything searching google

Thanks,
--Ben