Barbed wire, also known as barb wire (and sometimes bob-wire or bobbed wire), is a type of fencing wire constructed with sharp edges or points arranged at intervals along the strand. Grunge is an irregular and dirty style in digital art, but it gives a more realistic look. Even a simple touch of grunge style can change perception of your design.
Vector images can be edited in different design software, for example: Corel Draw, Ventua Publisher, Macromedia Freehand, PMView, Xara, and surely Any Adobe Software Photoshop, Illustrator, Indesign etc. can be used to open and edit vectors. Illustrator CS3 my certain selection!