There are also some secondary settings that are helpful when making your own projects.
Tracing an Image
Inkscape has a useful tool for converting colored, shaded, or other images into vector images that Inkscape draws in. The tracer that Inkscape provides does not fully copy your image into your drawing; It does however, give you options to choose curves and the definition of a picture for you to use in your drawing.
In general, the darker your image, the harder it will be to trace.
1: To begin tracing an image, first select it
2: Select the Path > Trace Bitmap item, or Shift+Alt+B.
3: a) Select live preview to view your image b) Choose your settings in the pop-up window c) Press OK
4: Your traced Image should on your document
5: Inkscape recommends simplifying your lines. Simplify your nodes with Path-->Simplify