official site : http://www.kolve.com/mp_brainbugz/brainbugz.htm
a short description:I am sure every one know some about behaviour for XSI.
and this is like this.now you can do population nonlinear movements.
installation notes :
--(I think for xp..net 2.0 framework should be installed.)
--should be XP SP2
--firts of all install files which are in 6.5.
than use this mll if you are using maya 7
recompliled mll plugin for maya 7: