That picture was not done with just FFC. Foolys fun commands can't do anything beyond scale it to 5 5 5. I have it, and I can never get bigger than that.
Also what OP means is that the player model itself is bigger than the standard player model. Five times bigger. So that when you use this playertype, you're by default five times bigger than the standard player, then when you scale yourself, you can be up to 25 times bigger than the standard player