Several design appearance aspects you will find in this configuration file:
administrator\components\com_spmoviedb\views\movie\tmpl\form.form.xml

For example you can set:

• Which fields should be required
• Resolution of Movie Profile Image (by default is 400x650px)
• Resolution of Movie Cover Image (by default is 2000x597px)
• Default values for Tickets, Website, Social Icons and Trailers