The Custom Background mode (available only in the standalone version) allows you to place a new background image behind the cut-out object.
(hover the mouse over the image to see the original)
The Load button is used to load a new background image.
The Delete button removes the background image.
Adjust the uploaded background image using the parameters in the Settings Panel:
Opacity (50-100). This auxiliary parameter allows you to place the fragment more accurately by adjusting its transparency. It does not affect the final result.
The Transform tab contains settings to adjust the size and position of the background image.
Use the Correction tab to make adjustments to the tonal range of the background image.
Click OK to confirm the changes. Press Cancel to exit the mode without saving the changes. Press the Default button to restore the image to its original state.