How do I replace an existing image/video?

Follow these steps to replace an existing image:

Step 1: Go to the 'Advanced Editing' screen, If you had chosen the "Text to Video" option. Or if you had chosen one a Quick Videos template/Blank Canvas, then you are already on the ‘Advance Editing’ screen.

Step 2: Select the image that you want to change.

Step 3: Go to the 'Media' tab and find an image that you like.
Step 4: Drag and drop the image into the scene.