Name: The Funditioner
Type: PvE mostly/Limited PvP
Category: Conditions/Support
Attributes:
Expertise 10 + 1 + 3 = 14
Wilderness Survival 8 + 1 = 9
Marksmanhip 8 + 1 = 9
Illusion Magic 10
Skills Set :
Fevered Dreams {Elite} (Illusion Magic)
Apply Poison (Wilderness Survival)
Hunters Shot (Marksmanship)
Pin Down (Marksmanship)
Concussion Shot (Marksmanship)
Throw Dirt (Expertise)
Arcane Echo (Illusion Magic) or Troll Unguent/Flame Trap/Barbed Trap (Wilderness) or Arcane Mimicry (Mesmer, no attribute)
Rez Sig
Equipment: Use Poisoner's Composite/Recurve bow of Marksmanship initially so you don't miss.
Then switch to whatever bow you like.
Summary: This is a condition spreading build that can spread numerous conditions.
When approaching a group of monsters don't aggro yet, use Apply Poison first. Wait for energy to regen. Cast Fevered Dreams on first monster, if melee enemy follow with Pin Down and Hunter's shot. Run in and use Throw Dirt. All melee monsters in area should now be poisoned, crippled, blind, and hopefully bleeding.
If monsters are casters, don't aggro, use Apply Poison and wait for energy regen. Then use Fevered Dreams. Use Arcane Conundrum if caster has spells with short duration time. Use Hunter's shot. Keep an eye on enemy spell warmup and use Concussion shot to interrupt. Voila, a fairly large group of casters is hopefully bleeding, but most importantly dazed. A Barrage ranger or two as an ally is extremely helpful here as they can interrupt the whole group with each shot.
If you brought Arcane Mimicry and have said Ranger ally with Barrage, use it on him and then Barrage away for the next 20 seconds.
Don't take credit when your teammates ask, "Why were the monster heads glowing white?"
Notes & Concerns:
In PvP, a Necro ally with Virulence would really help. If other teammates can cause conditions, you could bring other interrupts rather than conditions. Favorable Winds would help too.
The range on Fevered Dreams is much larger than Epidemic, hence no Epidemic in this build. Also, the 15 Energy for Epidemic can be costly for a ranger.
Missing with concussion shot or not timing properly means a lot of energy wasted. Enemies with Energy Surge or other forms of energy draining are trouble for this build.
Necros with Plague Touch, Plague Sig, or Plague Sending, or prot monks with mend ailment/mend condition/martyr can be big trouble too.
Credit: Myself mostly and others on Guru who discussed Fevered Dreams. Credit goes to my desire to get into a good guild. I'd like to use this build as an example to audition for a good guild. (SoF, you listening?)
Additional Notes:
Few people are familiar with dazed. Not a single person in at least 10 PUGs where I used this build knew what the "white glowy face" was about. And if people are not familiar with a build, it must suck

That's one of the reason's why I take Arcane Mimicry along. So when asked I can say I'm a Barrager/Interrupter. I try to insist on a second barrager so I can copy it from him. Every now and then I'll call my Barrage just so I don't get yelled at

This build worked out nicely in the new UW/Tombs. When a few Grasps of Insanity got loose, I could cast Fevered Dreams on one, then cripple, then bleed, poison, and blind a pretty large group. Of course, Energy Surge, Spirit of Failure, and CoF will mess the Funditioner up. Dazed works great when there's a bunch of Scythes and Riders bunched up with Dryders, cuz the Dryders are easy to hit with Concussion Shot.
I like the pic cuz the minions get dazed too

Edit: In response to the comment below: Most people haven't played around with Arcane Mimicry. Although Arcane Mimicry is a spell, it allows you to copy the elite "skill" from target other ally. Arcane Echo and Arcane Thievery only work on spells. Take the henchies out of town and use it on Aidan, and you'll get Practiced Stance, you don't even need to be a ranger primary or secondary.