If you want to learn Inkscape, here is a list with some great Inkscape tutorials. Inkscape is professional quality vector graphics software which runs on Windows, Mac OS X and Linux. It is used by design professionals and hobbyists worldwide, for creating a wide variety of graphics such as illustrations, icons, logos, diagrams, maps and web graphics. You can download here.
Basic Tutorial
This tutorial demonstrates the basics of using Inkscape. [read more]