make sure all your moves are quick and efficient, don't make the mistake I did in the beginning and try to be "sneaky" with your actions, its just not how this game is played. (please note this is not the same definition of sneaky as in "I was sneaky enough to snap shoot that guy in the arse when he wasn't looking")
Also never hesitate, if you have commited to making a run forward, dont decide half way to the next bunker that it was a bad idea, even if it does look like being an epic fail it could still pay off better than being a startled pawn in no mans land.