If you would like to improve your writing, but you can't bear the thought of learning all those rules of grammar, Grammar Girl can help. Grammar Girl is really Mignon Fogarty, a professional writer whose podcasts help make learning about grammar fun.
The podcast's home is Grammar Girl's Quick and Dirty Tips for Better Writing, where you can download or listen to the Grammar Girl podcast episodes, read a transcript of an episode, and subscribe to the podcast. You can also record a question for Grammar Girl.
QDnow also has other Quick and Dirty Tips for Doing Things Better, including Mr. Manners' Quick and Dirty Tips for a More Polite Life, Legal Lad's Quick and Dirty Tips for a More Lawful Life, and Money Girl's Quick and Dirty Tips for a Richer Life.
Thanks to Prof. Schmitz for the tip.