Not much, but I'd suggest you check in again after the group stages, for each knockout round (Round 2, Quarter Finals, Semi Finals) and make sure your team is made up from players from countries which have gone through to the next round. Transfer out anyone from any eliminated team. If they aren't in the tournament any more, they can't score points. Other than that, watch the points roll in and dish out some stick!
Cool,
I just picked random players apart from the goalie, picked the cheapest I could