I have read post after post and still can't make things out. I like poisoning people and trapping because i'm the puller with my group,but i also like to do more damage and interrupping. I do ok but i only get 50 or 60hp, sometimes 30 around war camp.
I have a great bow Drago's flat bow because i like being in the back and also reach people where they can't reach me.
Skill Bar now
apply poision
precision shoot
pentrating attack
pin down
savage shoot (interrupts really good)
flame trap
throw dirt (incase get near me or the monk)
melandru's arrows
Attrubs
healing prayers 1
BM 1
Expertse 12
WS 11
marksmanship 14
Runes
Minor ws,ex,bm
Superior marksmanship, vigor
I would like for someone to help me with this build so i could help my group more, and what skills go with each other.
thanks for anyone's help.

Well, for starters, Mel's Arrows,and Apply Posion are both preperations, and as a result, do not stack.
With the longest arrow flight time of any bow, Flatbow are the worst bows for interupting. Any other bow type will be better for interupting, period.
Consider dropping Pin Down for Distracthing Shot. Having two interupts is handy, and personaly I think Distracting Shot is potentialy more powerful than Savage Shot. Of course, I always bring both.
If you're R/Mo, why not bring a res skill? Just decide on which prep you want to stick with, and replace it with Rebirth, or Resurect. If you drop Mel's Arrows, consider Punishing Shot as your elite, perhaps dropping Precision Shot for it.
Dual Shot
Penatrating Shot
Savage Shot
Distracting Shot
Mel's Arrows
Troll's Urgent
Whirling Defense
Rebirth
Exp 14
Wilderness 14
Marks 11
Thats a build I sometimes use with Mel's Arrows. A bit more defensive than you seem to like, but it works nicely