The Details are important _ Pay special attention to the details. They affect your readers very much. Details like alignment of the texts and the number of lines which your paragraphs include, can make readers bored or can interest them. Try not to make your paragraphs longer than 3 or 4 lines. When your paragraphs are short, people will read them easily. But if they are long, it will seem overwhelming to people. The colors you use in your newsletter design is important as well. So you should know a little about colors psychology. It's not hard. You must already know about the effect of every color on people, before designing or choosing your newsletter template.
Alternative Homework for Blog Owners: Look at your recent blog posts__are there any insightful comments that are worthy of being addressed more in depth in an article? I get ideas all the time from comments on my blog. Or look at your blog comment replies__do you find yourself writing an in depth reply to anyone's question about your post? That is often a good indication of a related topic that could use some more detailed attention.