Hello I am a Silver 2 Jungle main. IGN: Sinizzster (feel free to add me) and I've been using Mobafire's guide for some time.
so I figured I'd make a Wukong guide with the build I have been winning most of my games with.

PROS

• Good Damage
• Decent jungle clear speed with Nimbus Strike
  and Warrior Trickster
• Great Ganks pre 6 and post 6
• Great late game scaling
• the power of wuju

Cons

• Hard to master with Warrior Trickster
• hard to sustain without Greater Quintessence of Lifesteal
• all I can think of...he is pretty simple

http://www.mobafire.com/league-of-legends/mastery-tree-planner#&tree1=0-4-0-1-1-3-0-0-1-1-0-3-0-3-0-0-0-3-0-1&tree2=0-0-2-2-0-3-1-0-1-0-0-0-0-0-0-0-0-0-0&tree3=0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0&v=2

Greater Mark of Attack Damage These are obv to kill you doing the damage needed in early levels of the jungle and throughout the game.
Greater Seal of Armor I mean if you don't run these... you shouldn't be jungling
Greater Glyph of Magic Resist Honestly I just started using these and they prove themselves when doing early ganks. now with the new meta of AP supports like Annie or Zyra ganking them with these runes will make you more resilient to poke or retaliation. Greater Glyph of Scaling Magic Resist also work for longer games.
greater quintessence of lifesteal GREAT AND MUST HAVE with keep you alive in early jungle camps.

http://www.mobafire.com/league-of-legends/mastery-tree-planner#&tree1=0-4-0-1-1-3-0-0-1-1-0-3-0-3-0-0-0-3-0-1&tree2=0-0-2-2-0-3-1-0-1-0-0-0-0-0-0-0-0-0-0&tree3=0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0&v=2

With Wukong maximizing your damage is your best bet in the jungle from what I have experienced. Tough Skin and Bladed Armor will keep you alive at early levels untill you get items such as Spirit of the Elder Lizard

This is my setup for Wukong it works will! i have been having much success with it.
if you have any ways to improve be sure to let me know! =) thanks