Following the announcement of the name, release date and some information on the first episode for GTA IV, entitled Lost and Damned, we've obtained the logo and the first four high resolution screenshots for the episode from Rockstar Games.

http://grandtheftauto.ign.com/images/24498/Xbox-360/Grand-Theft-Auto-IV/Screenshots/Lost-and-Damned

The screenshots are really high, so the links below will take you to the lower resolution versions if you have any bandwidth concerns. Click on the "View Full Resolution" link above the images on their respective pages to go to the 5333 x 3000px versions.

http://grandtheftauto.ign.com/images/24497/Xbox-360/Grand-Theft-Auto-IV/Screenshots/Lost-and-Damned
http://grandtheftauto.ign.com/images/24496/Xbox-360/Grand-Theft-Auto-IV/Screenshots/Lost-and-Damned
http://grandtheftauto.ign.com/images/24495/Xbox-360/Grand-Theft-Auto-IV/Screenshots/Lost-and-Damned
http://grandtheftauto.ign.com/images/24494/Xbox-360/Grand-Theft-Auto-IV/Screenshots/Lost-and-Damned