I have in 2013 wrote some insights and improvements to the flows of brushes
and their relationship with the paint dynamics.
Recently I have made some corrections and editing the original text,
perhaps now is a bit more comprehensible.
I am also linking this article on medium.com with the recent email to this
list of Andrew Pullins [Paint Dynamic and Tool Preset Preview].
If my approach is usable... I can try to simplify the steps in a short
document... but first I think useful to leave the original approach made in
gimp-gui-list mailing list