I have a bunch of small images (200 x 200), that I want to compile into a single image, but I don't want to put frames around them or crop them to fit into a template, which is how all the collage apps seem to operate. I'd like to work on a blank canvas, add multiple photos to it, and move them around as I please, then save without losing quality. On the desktop I usually do this in Photoshop or MS Paint, but I'm wondering if there's an app for this on the iPad. thanks for any help in advance. 