Make a large composition 2x width to height(2000 x 1000) and name it Pictures. Arrange the pictures into the composition. Create your final comp and drag Pictures into it and apply Perspective -> CC Sphere
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.