Sculpt
Brush
Right-drag or Ctrl + left-drag to sculpt.
Shift: invert · Alt: smooth
Hydraulic Erosion
Thermal Erosion
Wind Erosion
Brush
Ctrl + drag: hydraulic brush.
Alt + drag: thermal brush.
Texture
Map Settings
Light Settings
Auto Rotation
Right-drag or Ctrl + left-drag to sculpt. Shift inverts, Alt smooths.