More for the longer term, but I see that flex seem to support those (at least in their demo videos) :)
Yes indeed, thank you for the request.
Marsel Khadiyev (Software Developer, EPHERE Inc.)
That would be soooo cool!! :)
It would be especially useful if foam and bubble creation could be controlled inside of Particle Flow, so you can combine them with deflectors, forces and other PF events.