photo by smrtmnky, via Twitter

The actor Mark Wahlberg waves at passengers on the Metro 212 bus as it rolls past the premiere of “Ted” in Hollywood on Thursday.

To submit a photo for the Art of Transit, post it to Metro’s Flickr group, email it to sourcemetro@gmail.com or Tweet it to @metrolosangeles with an #artoftransit hashtag. Many of the photos we’ve featured can be seen in these galleries on Flickr.