Blending and smudging brushes in the Painting category...?

Are there any blending or smudging brushes for hand painting? Or is there a way to modify the paint brushes to get this effect? For blending colors? Thanks.

Bump since I have the same question.

Thanks @raincole for mentioning.

Feature requests regarding blending and smudging brushes have been created in the InstaMAT > Feature Requets category. You can add a vote to these requests to show your interest.

Thanks!