Pro Show Backgrounds How To Put One Photo Onto Another On Paint Shop Pro?

How to put one photo onto another on Paint Shop Pro? - pro show backgrounds

I'm really fustrated because it does not work, but I want to do this kind of collage painting Shp Pro I take the image separately, remove the side of her, she put it in a layer ontop of the "background.
My problem is, if I is an image that has already changed to insert the background image without f the changes that I will be really small and it appears
What should I do? Please help, it's for my summative