My wife and I recently finished the Halo 3 campaign on Legendary... we are now on the quest to collect all the skulls throughout the game. We were having a really hard time getting the timing down to ride the explosion from the plasma grenade. After several attempts at this, I accidentally engaged my deployable cover and my wife said hey try using it as a step to get up to the walkway where the Famine skull is? we tried it and it worked like a charm? WAY easier than using a plasma grenade! I was so stoked that I though I would pass this on?
Peace
ImNzR
Halo 3 Baby!!!