Have you checked out Grammar Girl? She offers quick and dirty grammar tips through weekly podcasts. Some of her episodes include
Between Me and You
When Is "W" a Vowel?
What Is the Plural of Scissors?
This is my favorite episode.
Go here if you would like to sign up for the Grammar Girl Tip of the Day.
If you're not really into grammar, you can visit Quick and Dirty Tips for other podcasts from
The Dog Trainer
Get-it-Done Guy
Legal Lad
Nutrition Diva
and others.
The Grammar Girl link is featured in Sites to See at the left.
