Not counting the Earth. And depending on whether you believe Pluto should be counted as a major planet.
Click on the link for a larger image with more information.
These images were shot over the last year or so. Jupiter is at opposition right now, so it's a good time to go out and try to get some shots of it.
These were all shot with a Canon T2i (550D) with either a Celestron C11 Edge or a 130mm triplet apochromatic refractor.
They are shown in order of relative size when they were taken.