Isn’t it nice that there are devoted Manga Studio users like Tony Allock who put all their hard work into creating custom stuff that we all can benefit from?
Wow, this was one long sentence. If you want to get some extra free custom brushes for Manga Studio read on.
Tony created a whole set of brushes that you can download over at his DeviantArt account by clicking here. If you are new to that and wonder how to download, find the text download file in the right column that will provide the zip-file.
In the description Tony explains the different brushes in detail as well as the installation process.
Have fun with it and many thanks to Tony!