More to explore:
Function Subtle Grunge Brushes: Now with .PNG’s
RetroSupply Brush Kit
Free grunge vector textures from blog.spoongraphics. These are awesome and going to be really handy!
Think Design Blog - Free Vectors - 230 Marker Illustrator Brushes | Think Design
Web design freebies, Onehunga - Free Font
Web design freebies, Aleo - Free Font
Free Worn Out Walls Textures