The Grass Painter Plugin for Cinema 4D has been around for a while, although only for Windows systems. In a new preview from C4DZone, they are showing the Grass Painter Plugin running under OSX.
Grass Painter is a Cinema 4D plugin developed in order to help user to create complex lawns and gardens with just a few clicks
Grass Painter is a Cinema 4D plugin that allows you to create grass like vegetation easily, without setting over-cluttered parameters. Simply pick they style of grass or vegetation you ant, and start painting. You are also able to create your own grass styles, pretty much without any limitations. Grass Painter for the moment only supports Windows 7 32/64 bit (with the OSX version in the works) at a cost of around $40.00