And as you drift off to sleep, try not to think about the ad with the giant bugs crawling all over the bus seats

The MBTA's starting a new ad campaign to try to get people to be less litterbuggy, less crabby to T workers, less piggy with seats and less elephanty in terms of spraying mucus on fellow passengers. See 'em all by downloading the attached file, and ponder the real reason Charlie never returned - he was eaten by giant cockroaches.

This is the first time the campaign has used such a light, humor-based tone to get these important messages across. Using the voice of various animals related to the reminder they're trying to make is done in order to make riders smile while reinforcing public transit etiquette.

"Riding the T every day, I know how important it is to be respectful and kind to fellow passengers as well as operators," said MBTA General Manager Dr. Beverly Scott. "Sometimes we need to be reminded of the basics and hopefully it will make everyone's commute a more pleasant one."

They should get Legal Seafood to underwrite this ad.