You might want to check out this forum: http://dbfinteractive.com/index.php , there is not much bmax stuff, but most basic languages are fairly easy to translate between and there are a lot of guys there who dabble in demo coding and effects.
old school demo effects?
BlitzMax Forums/BlitzMax Beginners Area/old school demo effects?The 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.