In a small cheat-sheet of Easter eggs for Transformers: Revenge of the Fallen, VH1.com has compiled a small list of cameos, appearances, and/or miscellany trivia that pop up over the film. Star Wars' famed droid, R2-D2, is hidden somewhere in the desert sands of Egypt/New Mexico in a blink-and-you'll-miss-it cameo, according to visual-effects supervisor Scott Farrar. Rapper Chris "Cage" Palko is a friend of Shia LaBeouf and Cage can be seen during one of the college scenes. For the giant explosion that placed Revenge in the Guiness World Records, Tyrese Gibson's neck hairs have gone bye-bye, even after seeing four dermatologists.

Check out the rest at VH1's mini cheat sheet!