Here are some cool videos featuring some DC heroes:
Batman Legends: http://www.youtube.com/watch?v=Yq5RHUO6yLg
Grayson: http://www.youtube.com/watch?v=YUmzR1J_C3s
Batman vs Superman: http://www.youtube.com/watch?v=wm0N3W-kdzQ
Batman DeadEnd: http://www.youtube.com/watch?v=Hjp0I_okX0w