I have the trine...this is from cafe astrology:
Mercury sextile or trine Jupiter
Your ideas are big and your intentions noble. You are excellent at seeing the big picture, drawing conclusions, problem solving, and making accurate observations. You love to learn, and spend your life actively absorbing information. Many of you make good teachers with your sincere love of learning and sharing ideas with others. You are also very positive in your communications, readily inspiring others with what you say and how you say it. You are skilled at turning information into an advantage, and in some ways seem to be quite lucky. You are tolerant of other perspectives and ideas, and naturally avoid narrow-minded thinking--in fact you have a huge distaste for it. You are generally at ease conversing with people from all walks of life. You might be especially attracted to learning other languages and learning about foreign cultures. Travel is something that you are strongly attracted to.
You are very tolerant, generous and optimistic. You always see the positive side of situations and you are very respectful of the traditions and opinions of others. You have a lot of ability for organizing and planning enterprises. You enjoy traveling and any other activity that helps expand your mind. You possess an ease of communication and the facility of learning other languages. -- from the Adult report.
The trine aspect is the more dynamic of the two harmonious aspects. Those with the sextile can call upon these traits when needed, and those with the trine between the Mercury and Jupiter have incorporated the traits of the aspect into their personalities, expressing them naturally and consistently.
Some Famous People with Mercury in Harmonious Aspect to Jupiter: Trines - Jennifer Aniston, Lucie Arnaz, Tom Berger, Wade Boggs, Tony Curtis, Kirk Douglas, Lou Ferrigno, Sean Flannery, Marilyn Manson, Groucho Marx, Jim Morrison, Jack Nicholson, Diana Ross, Yves Saint-Laurent, Arnold Schwarzenegger, Oprah Winfrey.