Twitter Twits du Jour May 3, 2009 <1 min read Erik's Tumbles - G.I. Joe tinyurl.com/crs5on #Erik's Tumbles - Undercover Fail tinyurl.com/cnuhlg #Erik's Tumbles - Ecomodding: Tuning Your Car for 100 MPG tinyurl.com/c8xaqv #