You can give animations to your images either on the 'Advanced Editing' screen or on the 'Quick Edit' screen. The process is the same.
Step 1: Select your image.
Step 2: In the bottom right corner, there is an 'Image Animation' tab.
Here you can choose how your image enters the scene, how it performs while in the scene, and how it exits the scene.
Step 3: Preview and see how that animation looks in your scene.
Here is a short video to help you through the process: