Want thick? This is thick:
Looks nice.
num_of_emitters=1 emitter_spacing=1 particles_per_second=40 particles_start_size=1 particle_expand_rate=4 particle_rise_rate=20 particle_drift_rate=10 particle_fade_rate=0.05 spin_rate=90 spin_decrease_rate=0.5 min_spin_rate=20
Looks nice.