I couldn't find any useable links to get the Lotus Particle System in the toolbox, so it looks like Im back to the drawing board..again!!:)
Look harder...
http://www.zen28085.zen.co.uk/LotusParticleSystem.zip
http://s87776868.onlinehome.us/Lotus/
But R2 seems to be nowhere to be found and R1 doesn't have full docs I think.
Other partice systems (from toolbox section...):
http://www.blitzbasic.com/toolbox/toolbox.php?tool=110 (free)
http://www.blitzbasic.com/toolbox/toolbox.php?tool=50 (free)
http://www.blitzbasic.com/toolbox/toolbox.php?tool=106 (20€)