One of the simplest ways to get rid of slugs is to pour them a beer. Literally. Make sure to not waste a yummy and delicious beer on these nasty garden pests though. An inexpensive, cheap beer will do the job just as well as your favorite will.
Bury a small bowl in your garden, near plants that seem to be attracting the slugs. You'll want the lip of the bowl to be level with the soil. Now crack open a beer, and fill the bowl.