What part of it “doesn’t work”? I used this trick a few years ago, and had a skeleton exhaling smoke that blew text away, added a little 3D, and it was DYNAMITE! It did render VERY slowly, especially compared to one of the particle generators listed… of course, I was using a G3 iBook back in the day, and really overdid it on the quality.
Let me know what you are getting… is it an error, or what happens?