When it comes time to write an appeal letter, you want to do your best to be personal. Write in a conversational tone. Keep your writing simple and easy to understand (this is NOT the time to use all the big, fancy words you know!) Tell a story about someone your organization has helped. Paint a picture for your reader of how your organization is ready to make a difference in the lives of many more if their support is given.

There are some great tips in a recent post at the Bad Language Blog. Here are a few of them: Write like you speak. Use short words and short sentences.