Create vector grunge in Inkscape with the trace bitmap tool and a photo. A great technique for creating brushes to mask over your vector creations
Here is a neat tutorial showing how to create an urban design by layering different types of vector elements. In this tutorial, you first create a range of concentric circle stamps (or “brushes”), and layer them on top of different coloured cloud silhouettes. Finally, you create a whole bunch of swirls using the spiro curve and path effects.
Here is a tutorial to create shattered and smashed text using the vector graphics appliation, Inkscape. I first posted this tutorial on my personal blog a few years ago. This version is slightly refreshed, but is pretty much the same tutorial that i first published.
Here is a comprehensive video tutorial, (created by syllie) that demonstrates how to use the awesome new spiro swirls feature in Inkscape 0.47, which was released in November 2009.