can we add multiple images and merge into one image after scaling and rotating

[anil03]

I am developing and app like photo mashup i want to merge images into sinlge IMAGE after rotating and scaling it.
your demo app is best example for us But i can not rotate and scale images which i selected after adding more than one image.

Can i apply scaling and rotation on which i selected between more than one images.

At this time when i add image it added to specific area and can rotate and scale but when i adde one more image in same area than i cant select last one image.

My app is like snoopify iPhone app.
can you suggest what it problem and what changes do have to do