Found this on youtube....
GW2 Eternal Battlegrounds Jumping Exploits - YouTube
Exploit WvWvW Eternal Battlegrounds
/Kill Dolyaks
/Kill certain NPC's (Some will do invulnerable when they can't hit you, but some won't)
/Kill other players
/Kill random monsters
/Destroy siege equipment
/Destroy other infrastructure
/Get credit for Dynamic Events while in no danger
/Camp at skill points to prevent others from communing with them
/Get POI's
/Inhibit other people's progress with the jumping puzzle