Easy

# IMPORTANT: READ THIS!
# All mobnames must be in CAPITAL LETTERS!

# Possible mobnames are:
# BLAZE, BABYZOMBIE, CAVE_SPIDER, CREEPER, ENDER_DRAGON, ENDERMAN,
# GHAST, GIANT, IRON_GOLEM, MAGMA_CUBE, PIG_ZOMBIE, SILVERFISH,
# SKELETON, WITHERSKELETON, SLIME, SPIDER, WITCH, WITHER, ZOMBIE
# BAT, CHICKEN, COW, PIG, SHEEP, SNOWMAN, SQUID, VILLAGER, WOLF

# Every mob that is not listed will deal minecrafts default damage

###########################
###### DAMAGE VALUES ###### usage:
########################### "DMG_MOBNAME: amount"

#DMG_ZOMBIE: 9
DMG_SKELETON: 2
#DMG_SPIDER: 9
DMG_WITHERSKELETON: 11
DMG_MAGMA_CUBE: 10
DMG_BLAZE: 12
DMG_GHAST: 9
DMG_SLIME: 12

# Note that you can't modify creeper damage like this
# For this you can use the modifier (default creeper dmg * modifier)
# Set it to 1 for default dmg, 0.5 for half damage, 2 for doubled damage,..
CREEP_MODIFIER: 2

###########################
### HEALTH POINT VALUES ### usage:
########################### "HP_MOBNAME: amount"

HP_ZOMBIE: 180
HP_SKELETON: 180
HP_CREEPER: 65
HP_PIG_ZOMBIE: 75
HP_GHAST: 95
HP_CAVE_SPIDER: 120
HP_SPIDER: 180
HP_ENDERMAN: 95
HP_WITHERSKELETON: 90
HP_MAGMA_CUBE: 90
HP_BLAZE: 90
HP_BABYZOMBIE: 150
HP_WOLF: 90
HP_SLIME: 130
HP_WITCH: 180

###########################
#### EXPERIENCE POINTS #### usage:
########################### "EXP_MOBNAME: amount"

EXP_ZOMBIE: 1
EXP_SKELETON: 1
EXP_CREEPER: 1
EXP_PIG_ZOMBIE: 1
EXP_GHAST: 1
EXP_CAVE_SPIDER: 1
EXP_SPIDER: 1
EXP_BABYZOMBIE: 1
EXP_OCELOT: 4
EXP_SLIME: 1
EXP_WITCH: 1

###########################
##### DROPPING SKULLS ##### usage:
########################### "0" to disable, "100" for 100% drop chance

SKULL_DROP_PLAYER: 100
SKULL_DROP_ZOMBIE: 10
SKULL_DROP_SKELETON: 10
SKULL_DROP_CREEPER: 10
SKULL_DROP_OCELOT: 10

###########################
######## MOB DROPS ########
###########################
# info: skulls and drops (below) are only dropped, when the mob was killed by
# a player, to prevent spamming items on naturally mob death or on mob farms

DISABLE_DEFAULTS: false
# false: minecrafts default drops (or those from other plugins) are still enabled,
#        items which are specified below are just added to them
# true: all mobs will only drop those items which are specified below,
#       everything else is disabled (except skulls from above!)

# USAGE:
# DROP_MOBNAME:
# - MATERIALNAME, maximal amount, percentage of drop, datavalue

# MATERIALNAME: in capital letters, a list of possible materials can be found here under "Public attributes":
# http://jd.bukkit.org/rb/doxygen/d6/d0e/enumorg_1_1bukkit_1_1Material.html
# Use the name only, not the ID!

# percentage of drop refers to maximal amount, so on the example below there is a
# 15 % chance of dropping 3 books, or a 30 % chance of dropping 2 red wool!

# datavalue: is only needed for certain materials (like wool), if not needed: leave it blank!
# list of data values: http://minecraft.gamepedia.com/Data_value
# Use the decimal value only!

DROP_ZOMBIE:
#- BOOK, 3, 15
#- WOOL, 2, 30, 14

DROP_SKELETON:
#- LOG, 10, 10, 2

###########################
#### MOB POTION EFFECTS ###
###########################

# USAGE:
# POT_MOBNAME:
# - EFFECT, duration, amplifier, chance

# EFFECT: in capital letters, a list of possible effects can be found here:
# http://jd.bukkit.org/rb/apidocs/org/bukkit/potion/PotionEffectType.html
# duration: in seconds, 120 for two minutes, 0 for unlimited
# amplifier: some kind of a modifier, for example doubled speed, doesn't have a change for every effect
# chance: chance in percent, 100 for every mob, 25 for a 25% chance (you can use decimal numbers here, e.g. 0.54321)

POT_ZOMBIE:
- SLOW, 0, 3, 10
- SPEED, 0, 2, 12.34

POT_CREEPER:
- SPEED, 0, 2, 12.34

POT_SKELETON:
- SPEED, 0, 2, 12.34

POT_SPIDER:
- SLOW, 0, 3, 10
- SPEED, 0, 2, 12.34

POT_OCELOT:
- SLOW, 0, 3, 99

###########################
####### MOB ARMORS ########
###########################

# USAGE:
# ARM_MOBNAME:
# - ARMORYPART1, percentage of equip, percentage of drop
# - ARMORYPART2, percentage of equip, percentage of drop

# MOBNAMES:
# You can put armory parts to creepers, cows or chickens and anything else,
# they will reduce incoming damage and are also dropped,
# but you can only see armor on zombies and skeletons

# ARMORYPARTS:
# Usage: MATERIAL_SLOT
# MATERIAL: LEATHER, IRON, GOLD, CHAINMAIL, DIAMOND
# SLOT: BOOTS, LEGGINGS, CHESTPLATE, HELMET

# You can also use a whole armor set for one mob, just do it like this:
# ARM_MOBNAME: MATERIAL, percentage of equip, percentage of drop

ARM_SKELETON: DIAMOND, 5.8, 15.91

ARM_ZOMBIE:
- LEATHER, 10, 5
- IRON_HELMET, 5, 1
- GOLD_HELMET, 5, 1
- LEATHER_HELMET, 8, 10
- DIAMOND_BOOTS, 7, 0
- LEATHER_BOOTS, 8, 10
- LEATHER_CHESTPLATE, 20, 10
- IRON_CHESTPLATE, 15, 1
- GOLD_CHESTPLATE, 10, 1
- GOLD_LEGGINGS, 10, 1
- LEATHER_LEGGINGS, 10, 10

###########################
###### MOB WEAPONS ########
###########################

# USAGE:
# WP_MOBNAME:
# - WEAPON1, percentage of equip, percentage of drop
# - WEAPON2, percentage of equip, percentage of drop

# "WEAPONS": Can be any item, a DIAMOND_SWORD or even a WOOD_DOOR.
# In capital letters, a list of possible materials can be found here under "Public attributes":
# http://jd.bukkit.org/rb/doxygen/d6/d0e/enumorg_1_1bukkit_1_1Material.html
# Use the name only, not the ID!

WP_SKELETON:
- STONE_SWORD, 6.6, 1
- WOOD_SWORD, 5.4, 15

WP_ZOMBIE:
- STONE_SWORD, 15, 1
- GOLD_SWORD, 12, 1
- STONE_PICKAXE, 10, 1

WP_BABYZOMBIE:
- STONE_SWORD, 15, 1
- GOLD_SWORD, 12, 1
- STONE_PICKAXE, 10, 1

WP_WITHERSKELETON:
- STONE_SWORD, 100, 20

###########################
####### MOB NAMES #########
###########################

# USAGE:
# NAME_MOBNAME:
# - "name1"
# - "name2"
# - "name3"

# You can use color codes for the display names. A list of codes:
# http://hydra-media.cursecdn.com/minecraft.gamepedia.com/4/4c/Colors.png
# The name will be picked randomly from the list

NAME_SKELETON:
- "#7Skeletroll"
- "#7Belzebu"
- "#7Lucifer"
- "#7Rambo"

NAME_ZOMBIE:
- "#4Demo"
- "#4Daimon"

NAME_BABYZOMBIE:
- "#5LittleBaby"
- "#5Junior"

NAME_WITHERSKELETON:
- "#7Powerful Guy"
- "#7IHaveGotThePower"

NAME_SPIDER:
- "#4Arachne"
- "#4Arachnida"
- "#4Araneae"

NAME_CREEPER:
- "#4CreeperOhMan"
- "#4GreeFace"
- "#4Lilith"

###########################
###### WORLD SPAWN ########
###########################

# USAGE:
# WS:
# - yourWorldName1, allowMonsters, allowAnimals
# - yourWorldName2, allowMonsters, allowAnimals

# use "true" or "false" to allow / disallow

WS:
- world, true, true
- world_nether, true, false
- world_the_end, true, false