I went on youtube for Tips and came across a website wich was AMAZING
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Go to it and it will give you a tut on everything

Go to kick of Exihbition match Pick your team with your VP on then pick the computer team then pick the kits, Now it should say play match Team management and then Game settings (or something like that?) Anyway the one you want is Game settings . Now change the difficulty to WORLD CLASS and whatever time limit you want then press LT and it should say something like Computer stats Now change all the important ones to 0 then press LT again and it should say Player stats (along the lines of that) and change all your important ones to 100 e.g. Shot power, Player speed
Now play and do some accomplishments