Easter egg: On Disc 2 of the 2 Disc Special Edition, go down to Deconstructing Visual Bayhem. Go down to More on the menu, continue to the last page of this section. Select Jackhammer Fight and push the right button on the remote. An Autobot symbol will show. It has some highlights of the dogs. (Not one for the kiddies to see.)
Easter egg: In the two disc set, Disc 2 (Special Features), at the main menu select The Human Factor. Once you are in that part go down to Domestic Destruction, push the right button on the remote and a little icon of the Decepticons will appear. It shows a blooper during one of the big scenes.