Adobe Photoshop CS4 Result (Liquify only) keyboard shortcuts keys

Shortcut                                                                          Command
Optn + tool	Reverse direction for Bloat, Pucker, Push Left, and Mirror tools
Optn-drag in preview with reconstruct tool, Displace, Amplitwist, or Affine mode selected	Continually sample the distortion
Down Arrow/Up Arrow in Brush Size, Density, Pressure, Rate, or Turbulent Jittertext box*	Decrease/increase brush size by 2, or density, pressure, rate, or turbulent jitter by 1
Left Arrow/Right Arrow with Brush Size, Density, Pressure, Rate, or Turbulent Jitter slider showing*	Decrease/increase brush size by 2, or density, pressure, rate, or turbulent jitter by 1
Cmnd + Z	Redo last step
	*Hold down Shift to decrease/increase by 10