Marksmanship 16 (12+1+3)
Expertise 11-12 (10+1 or 11+1)*
Wilderness Survival 6-8 (5+1 or 7+1)*
Skills (excuse my not-knowing the icon comand

Crossfire
Sloth Hunter's Shot/Keen Arrow
Burning Arrow {E}
Distracting Shot
Savage Shot
Expert Focus/Read the Wind/Rapid Fire
Troll Ungent
Natural Stride
Preperation Pros and Cons:
1. Expert Focus:
Pros:
Makes spamming interupts easier.
Nice damage boost.
Cons:
High Energy Cost.
Doesn't Effect all attacks.
2. Read the Wind
Pros:
Synergizes well with interupts.
Makes the Flatbow usable.
Nice Damage Boost.
Low Energy Cost
Cons:
Makes it difficult to spam attack skills.
3. Rapid Fire
Pros:
Low Energy Cost.
Effects all attacks.
IAS increase.
Cons:
No Damage Increase.
Makes Spamming attacks difficult.
So, hopefully i can get some help on this, and feel free to comment on my build (like i can stop you anyway right?).
* 2nd value is with Expert's Focus.