Of course ity depends on your personell, but if I know someone is playing Motion, I will play 3-2 zone since they will take mostly jump shots, but man to man is ok too.
As for an offense against FCP, I would suggest an up tempo tactic such as look inside, push the ball or run and gun. This would limit the time you have to turn it over. Just figure out which offense best fits your players.
My 2 cents...