Only malcontents favor safe streets, so let's have a t-shirt.

The Green Mouse looked up from his martini, and asked, "wintmumsdizzsaurkont?" Then he spit out an olive pit, and repeated:

"Why not a t-shirt design contest?"

Duly inspired, we emptied the bottle and came up with a few ideas. Feel free to contribute your own.

Or, create your own. Here's a blank.