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News Lab: Elements of Great Storytelling
This is a great site for broadcast journalists; it focuses on the elements that make a story great. You can find tips on writing from some of the top people in the industry.
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Business Town: The Secrets to Effective Radio Advertising
Here's a good overview on writing a radio advertisement. Some basic tips and ideas. Includes video, 1 min. 7 sec.
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Newswriting: Resource for Journalists: 100 Worst Groaners
A fun site filled with "groaners," or cliches, that you hear over and over again on the evening news.