To change the background image (i.e. the location) as you move from scene to scene of your story, use the normal screenplay format for sluglines. If you’d like to add an overlay, it can be add using “with [OVERLAY] into the command. See section 3.3 for details.
Example:
INT. DORM ROOM - DAY with DESK BEDROOM
SARAH
Is this my room?
It is rather small...
ANGIE
Hey girl, let’s get a latte.
SARAH
OK!
EXT. STARBUCKS - NIGHT
SARAH
I’m so hyper!
*IMPORTANT*
- The scene must start with EXT. or INT.
- Use the Art Catalog mentioned in Section 3.1 to browse the list of available backgrounds.