The Anatomy of a Cover Letter - "Outlines the basic format you should follow when writing, and shows you how to put the finishing touches on a top-notch product."

20 Cover Letter Blunders to Avoid - "Some of the most common cover letter mistakes, and ways to correct them."

Things Not To Put In A Cover Letter:

1. I'm really keen to work for you - I hear the drugs are good.
2. I regret that I have no references.  Unfortunately, every
   company I've worked for has since closed down.
3. I know where you live.
4. Any sentence beginning with "I was recently acquitted."
5. I'm really tall, so I think I'd be well suited to this job.
6. By the way, I understand you have unmarried daughters.
7. My turn-ons include.