Creating a Grunge Effect Using Only Photoshop
http://reencoded.com/2008/08/04/tutorial-creating-a-grunge-effect-using-only-photoshop/

Robbins, Kyle
ReEncoded
2008

Abstract:

This tutorial will teach you how to quickly create a 'grunge' effect for your photos using ONLY Photoshop. And while you might not need a grunge image, it will show you how to create a vector mask which will give you a tool to create numerous effects easily.