To increase impressiveness, go to the game folder and find \\Data\\Balance. Open the file PlacementData.xml, and in search for the line basevalue impressiveness="0.2". Replace 0.2 by 20. Now if you place villas in the game, it will make your town more impressive and will help to win the land.
Go to C:\\Program Files\\Lionhead Studios\\Black & White 2\\Data\\landscape\\BW2 and open one of the Land(number).BWE files in your text editor. Find the line CREATE_ORE_LODE("912.90,514.99", "Ore Lode Normal", 2914, 1000, 0.000000) and change normal to infinite. You have to this operation with each Land file. When you move to the next land, you will get infinite ore.
To change the villagers names, go to the game folder and find \\Black & White 2\\Data\\Text. Open the Villager Names.txt file and change names but leave M/F before each name. When you are in the game, press S to enable this cheat.