As you gain confidence with kettlebells and have mastered the swing, clean and jerk, and high pull, next on the list is the snatch.  The single arm snatch can be performed with kettlebells, dumbbells, and even the straight bar, and is one of the best builders of explosive total body strength there is.  Along with the mentioned variations, the kettlebell double snatch and alternate double snatch are two additional ways to increase resistance and add a degree of difficulty to a great complex multi- joint movement.