Wide reverse grip bench in the smith is another good triceps exercise to try. Again you want to let your butt hang off the end of the bench and press the bar both up and towards your feet (or at least attempt to).
Here is a video example (skip forward to around the 3 minute mark to hear the exercise explanation and execution):
I also like High incline presses in the smith for shoulders (skip to 1 minute to see the exercise):
