a small experiment
YES, I know, the quality is poor, and I will not explain the cause ... ;o)
I have tried to put five photos together into one picture.
So it must seem that there are five Tonia's. ;o) ;o)
I placed my tripod for the house in the park, to always have the same background.
My daughter was five times somewhere else, for five different pictures (from the same place and same settings)
I used one photo as background, and (in photoshop) uploaded the other four pictures and applied them to the surface.
Then I hade to gum, cut and fit everything until it was as it should be.
I hope you understand some of my explanation ... ;o)