Hi, I'm enjoying the mod so far but i would like to play davy jones with the flying dutchman instead of the initial simple ship that is given him, how can i invert the starting ship of Davy Jones whit the William Turner's one? Is there a way to do that? 

I don't really support mods to GOF 2.5, but just supply it as it was when the modders abandoned it.

But prior to starting a game with Davy Jones, open the Programs\characters\RPGUtilite.c file and find the case: "will" section.  Edit it to look like this:

case "will":
  pchar.Ship.Type = GenerateShip(SHIP_CursedDutchman, true);
  pchar.money = 30000;
break;
case "davyjones":
   pchar.Ship.Type = GenerateShip(SHIP_CursedDutchman, true);
   pchar.money = 30000;
break;

Save the file, then start a new game.