1>Answer questions that others have asked. Twitter is a tool to communicate with your audience. Engauge with your followers no matter how big the charity is.
2>Make your tweets interesting
3>Use hyperlinks in your tweets and direct traffic back to a relevant page on your website. (please see previous post)
4>Use twitter to headhunt new job applicants. This could save thousands on recruitment consultant fees.
5>Use a #hashtag’s for all of your charity posts. This will help you gauge the reach of your tweets over time. An example of which may be #DiabetesUK
6>Ask for donations / micro donations
7>Promote your twitter account on your website, blog etc…