designerfied on DeviantArthttp://creativecommons.org/licenses/by-sa/3.0/https://www.deviantart.com/designerfied/art/6-High-Resolution-Grunge-Cracks-Brushes-266846290designerfied
Just finished up another free Photoshop brush pack! I needed some grungy cracks for a small project so I built these. They are 300dpi and around 2000px in size. Check em out, they might work good for one of your grunge designs.