This is a really cool app and I agree that photographers could be a target market. One thing I've always wanted to see from apps like this: you should be able

This is a really cool app and I agree that photographers could be a target market. One thing I've always wanted to see from apps like this: you should be able to push a button that 'pins' the image in virtual space, and when you move the phone, it acts like a window on that image. This can be done using the various movement sensors on the phones.