1. Navigate to the Green Screen or Filter folder in windows.
a. C:\Program Files (x86)\Photo Booth Solutions\SketchBooth\Assets\GreenScreen
b. C:\Program Files (x86)\Photo Booth Solutions\SketchBooth\Assets\Filters
2. Replace the stock backgrounds or filters within the folders. It should be an 1800x1200 PNG-24.
*Note: If you are transferring from a Mac make sure there are no extra files in the folder or the system will error out.