Have you seen the Grammarman website?
It's some nicely drawn comic strips for the classroom by a guy called Brian Boyd.
There's some really nice stuff on it.
Welcome to Grammarman Comic ... for efl esl tefl celta teachers and students
Last edited by chrisdev; 18-Dec-2007 at 00:35. Reason: typo
I just checked it out and you're right-it's hilarious. What's even funnier though is the fact that I didn't catch many of the errors the first time I read the comic I read!