Quote some research or interesting articles about one of your products or services. Education will help build credibility and belief in your products and services. Say something nice about your upline leadership or home office staff. Talk about their professionalism and helping attitude. Prospects want to be a part of a system of support.
People love pictures.
That's why they buy People Magazine. Pictures make your newsletter interesting. It is said that people will work for money, but kill for recognition. Don't underestimate the motivational power of simple recognition. You can recognize distributors who advance to a new rank or someone who made ten sales his first month.