Thanks for comments. No, Im not using any gizmos. Only spherical particles with vollumtric shader.
I've done a completely new particle_fire and connected it with an exsplosion... If anybody is interested....
http://members.lycos.co.uk/kozioo/hf04.avi
IMO it looks better than the older one, so I decided to post it.
greets
and an update of the last animation. Last one for this challenge, I think.
http://members.lycos.co.uk/kozioo/hf05.avi
RMB -> save target as