http://vector.tutsplus.com/tutorials/icon-design/use-inkscape-to-create-a-grunge-rss-box-icon/

How to create an Icon using new features of Inkscape 0.47, such as: gradients, blur, path effects, and mask on texture layer. We’ll be walking through every step involved in creating this grungy RSS feed icon box. There is some great vector material in this tutorial!