Playing FIFA 08, which is a very passing oriented game, you need to have some sort of plan or tactic if you expect to do well. This tutorial features a number of game tactics or points of focus which you should keep in mind when you're playing competetive matches. Many of the best FIFA players will agree that it is very beneficial to have a structured way of playing as opposed to "just playing". Read more here.
The D-Pad offers a method of having the computer structure your team's attacks or defensive plans for you. This can be incredibly useful, although many ignore this. For example, setting your team up for the Long Ball via the D-pad once you receive the ball for the break can make that small difference needed between you and your opponent. Read more here.