One project, up to 10 background images — site plan, individual stages, floorplans, panoramas, all in one map.
Add Another Background
→ [In Edit Project / project settings, click Add Background Image?]
→ Upload the image and give it an Image Name.
Buyers switch between backgrounds in your live viewer.
Ideas
Masterplan + a detailed plan per stage
Site plan + level-by-level floorplans for apartments
Site plan + 360° panoramas of display homes or views
Tips
Name images clearly — buyers see these names when switching views.
Rows can be placed on [any / multiple?] backgrounds, so a lot can appear on both the masterplan and its stage plan.