CyberHeater: The source and media in the archive (lightning.zip) is public domain, yes. The Lotus Particle System comes with its own license detailing (albeit briefly) the conditions of use.
Small Lightning Bolt Test
Miscellaneous Forums/Blitz Showcase/Small Lightning Bolt TestThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.