Uploading Your Own Character Images
Want to upload your own character images? Here’s how:
Step 1: Go to Movie Machine and select your project.
Step 2: Go to the Director’s Notes section, where you’ll see the Characters section.
Step 3: Choose the character you want to update, then click Upload Image to add your own character image.

Step 4: Choose the image you want to use as your character’s image.
Here's the video tutorial: