Effex 2.7 has some handy new presets. The team at Navié has posted a look at using the latest version for Effex to create foam and spray in C4D. Effete is a tightly integrated visual effects framework for Cinema 4D.
the whole process of creating, simulating and (simple) rendering of foam & spray
The Effex framework offers a multithreaded toolset making it possible for complex and high quality simulation in everyday VFX work in Cinema 4D. Effex also offers and extensive API for reading and writing simulation data, or for creating your own framework extensions.
The tutorial covers the whole process for creating and simulating foam & spray with a liquid simulation, using the latest version, Effex 2.7.