particle lighting effect is very key appearance for a good vfx work.But vfx artist can not get a good tool to get it so far.I designed this tool named Cloudy.Cloudy give light a ability to illuminate particle systems.User make the believable illuminated particle effect easily.the above picture was made with Cloudy.Pressing below links,you will get more detail about it.
feature page about Cloudy
http://www.swingpicture.com/index.php?cmdType=store/cloudy
a video of Cloudy introduction
http://www.swingpicture.com/index.php?cmdType=store/cloudy/cloudyIntro
Thank you for your attenuation.