Processing and Formatting Effects > Flame FX > Bump Displace >
Bumps Settings

Minimum Bumps field
  Displays the lower limit of the bump depth.
Maximum Bumps field
  Displays the upper limit of the bump depth.
Bump Height field
  Displays the height value for the effect. Positive numbers create an embossed look. Negative numbers create an engraved look.
Bump Softness field
  Displays the blurring value for the effect.