Installation:

1. Download the ZIP
2. Go to Preferences
3. Add-ons
4. Install
5. Select the ZIP-File
6. Activate the Add-on

Best Practise:

The Values of the Deformation Objects should be carefully chosen, and Mapping to 0 should be lower than Mapping for 1 except if you want the resulting effect.

Higher Subdivisions can result in a larger difference between deep and elevated areas.

The Mover can be easily animated through Keyframing.

Apply Modifiers through the Operator.