I’ve been looking around for great textures, abstract and stylish fonts for grunge designs and have found the following links for fonts, grunge backgrounds, Illustrator and Photoshop brushes to be helpful!
Grunge Fonts
The master of all posts on Grunge fonts:
http://www.hongkiat.com/blog/100-great-abstract-and-grunge-fonts/
Grunge Textures and Backgrounds
The definitive sources:
http://www.grungetextures.com/
http://www.textureking.com/index.php/category/grunge
Grunge Brushes for Illustrator and Photoshop
http://getbrushes.com/grunge-photoshop-brushes
http://www.photoshopbrushes.com/grunge-brushes.htm
http://www.brusheezy.com/brushes?cat=grunge&psv=&sort=
http://www.brusheezy.com/brush/535-Free-Vector-Grunge-Brush-Pack-
http://www.youthedesigner.com/2008/07/23/10-great-grunge-vector-packs/
Another compilation of great grunge-style resources:
http://webdesignledger.com/freebies/best-grunge-textures-and-photoshop-brushes-all-in-one-place