Working with vectors isn't easy, and working with vectors means using paths. Adobe Illustrator is a vector graphics application, therefore virtually everything in Illustrator is created using paths. The Pen Tool is the king of paths, you can create any kind of path using the pen tool, you just need to know how to use it! Watch this Illustrator video tutorial to learn how to use the pen tool and trace the outline of an object as well.
Tutvid is a site devoted to producing tons of video tutorials for Adobe software, like Illustrator. Tutvid's Nathaniel has been designing and animating since he started using Photoshop 4.0 and Macromedia (now Adobe), and shares his self-taught knowledge in these video tutorials for free. Search for Tutvid on WonderHowTo for more helpful graphic design help.
Learn how to use the Pen Tool in Adobe Illustrator CS2!