How do I place a picture in main movie. For example, I am creating a video of my model railway and I want to show a locomotive as a picture - say in top left hand corner of main video. How do I achieve this effect.
I have downloaded some effects but none are what i want. I have drawn an example of what I want. OOOPPPS Can't seem to upload drawing.

Ah well I hope my explanation is sufficient
Thanks in advance for any help.
Ian IanB
PowerDirector Ultimate 18.0.3801.0 (64bit)
Dell XPS 8700, Win 8.1
4th generation Intel(R) Core(TM) i5-4460 processor (6M Cache, up to 3.4 GHz)
Nividia GeForce 720 Version 372.54 GB Dual Channel DDR3 1600MHz (4GB x 2)
2 x 1TB 7200RPM SATA Hard D