Ellipsoid Particle Emitter:
Keep all other settings in this section at their default.
Size makes sense that's the size of the little pictures. If you crank these settings up, you'll see big flat pictures, and the magic of particle systems will simultaneously make more sense, and will be completely ruined for you.
The energy settings govern how long it takes particles to die. We've cranked these dials way down to ensure that our particle lifespans ...