I just found out that a newer version of SAI allows you to create particle/scatter brushes and I spent all of yesterday converting some of my Photoshop ones into SAI brushes :D Did a test paint today and it was great, so easy to use!

This took 1.5 hours thanks to the new brushes :D they'll be part of March rewards on Patreon.com/Yuumei along with the HD file and art video :)