If the original photo does not fit your chosen photo size, ZenFotomatic will scale the photo fit. There are two scaling modes available...
Crop to Fit (Left)
The original photo will be cropped to fit your chosen photo size. This is the recommended setting for auto cropping.
Pad to Fit (Right)
Extra padding will be added to make the original photo fit your chosen photo size. The padding color is set to the backdrop colour.