JIM CARREY is throwing himself into work following his split from JENNY McCARTHY. But he`d better hope the wind doesn`t change or he might rule out romance for good. Jim pulled some mad faces on set of new movie Mr Popper`s Penguins in New York. Since bursting on to the scene in The Mask, Jim`s bizarre facial expressions have become his trademark. Sixteen years on, they still crack me up.