This is a rather specialized plugin. It generates a spherical height map for use with my various height-map plugins. Though it logically fits in the Render submenu, I put it in the Height Map submenu instead, since it's only really useful with those effects.
The plugin: RenderSphereHeightMap.zip
As described by the Help Menu:
Render Sphere Height Map renders a 24-bit height map for a sphere.
The controls are: