How to animate image, pause a bit, then animate out

Hello. First time poster here. I have animated in a few images which are great…but I’d like to have those images stay on the screen for a few frames then animate back out. How can I put, say, a break in between the frames so they stay stationary on screen until I decide to animate them back out?
Thank you.

You want to hold exposure on the necessary frames

Thank you very much sir!