Bukkit

Note that this page is for MoneyDrop version 2, if you're still using version 1, check out this page instead.

When you start MoneyDrop, it will create a .yml file for each of your worlds in /plugins/MoneyDrop. Each of these files needs to be edited individually.
Each config file is split up into 3 bits: Settings, Players and Mobs.

Let's start with the Mobs section:
There will be a setting for each mob in the game.
Each mob has a Dropped-Minimum, Dropped-Maximum and a Dropped-Frequency.
Dropped-Minimum is the minimum amount of money this mob will drop.
Dropped-Maximum is the maximum amount of money this mob will drop. When this kind of mob dies, it will drop money valued between the minimum and the maximum. If the maximum is lower than the minimum, the minimum will always drop.
Dropped-Frequency is the odds of that monster dropping money. This value has to be between 0 and 1. 1 will drop 100% of the time, 0.5 will drop 50% of the time, 0.25 will drop 25% of the time etc.

Moving on to the Players section:
This determines the amount of money a player drops when it dies. This money is also removed from their wallet.
There's a listing for each cause of death. Note that lava files under fire, not other.
A value of 5 will cause a player to drop 5 moneys.
A value of -5 will cause the player to drop all but 5 moneys.
A value of 5% will cause the player to drop 5% of their money.

And finaly: the Settings
Mobspawner-Drops-Allowed : If false, mobs spawned from mob spawners won't drop money.
Egg-Drops-Allowed : The same, but with mobs spawned from eggs.
Modspawner-Drops-Allowed : The same, but with mobs spawned by mods.
Pluginspawner-Drops-Allowed : The same, but with mobs spawned by other plugins.
Mobs-Only-Drop-On-Kill : If true, a mob will only drop money if the finishing blow was dealt by a player.
Use-Permissions: If set to false, ignores all permissions related to MoneyDrop. MoneyDrop permission nodes are:

• MoneyDrop.pickup - Allows the player to pick up money.

Allow-Creative-Mode-Pickups: If set to true, players in creative mode can pick up money.
Independent-Drops : Set this to true if another plugin might interfere with the items dropped by mobs.
Hoppers-Destroy-Money: If set to true, any money picked up by a hopper vanishes. Setting this to false means players can pick up the money item from an inventory. (This is usually a bad thing) Disable-Inventory-Checks: ONLY SET THIS TO TRUE IF YOU'RE 100% SURE MONEY CAN'T END UP IN AN INVENTORY! When set to false, MoneyDrop will check if a clicked item is money and add it to your wallet. If Hoppers-Destroy-Money is set to false, you'll usually want this to be set to false too.
Dropped-Material-ID : The id of the item you want your money to look like.
Dropped-Material-Data : The damage value of the item you want your money to look like.
Max-Stack-Amount : The amount of money 1 item stack can hold. If you set this to 10 and a mob drops 15, 1 stack of 10 and 1 stack of 5 will drop. Set this to 0 to let all the money drop in 1 stack.
Precision : The precision of the dropped money. Let's say a mob has a minimum drop of 1 and a maximum of 3. With a precision of 1, this mob can drop either 1 - 2 - 3 money. With a precision of 0.5, this mob can drop 1 - 1.5 - 2 - 2.5 - 3 money.
Max-Drops-Per-Second : The maximum amount of drops that can happen in a second. Set this to 0 if you don't want your drops to be limited.
Pickup-Chat-Notification-Enabled : If true, MoneyDrop will send a message to the player when it picks up money.
Chat-Notification-Delay : false will send a message each time a stack gets picked up. true will send a single message a bit later, with the combined value picked up.
Pickup-Chat-Notification-Message : The message you want sent to the player when money is picked up. <money> is replaced by the amount picked up.
Death-Chat-Notification-Enabled : If true, MoneyDrop will send a message to the player when it loses money due to death.
Death-Chat-Notification-Message : The message you want sent to the player when it dies. <money> is replaced by the amount lost.