Find loads of Moss-hoof Coursers directly north on the top half of the isthmus
The Green Drake: This is your level 52 class quest. At the end are some nice blue quality rewards that you will use knight gold till level sixty.
First head to one of your hunter trainers and accept the quest The Hunter's Charm. Next, head to Azhara in Kalimdor to find Ogtinx, a furl-bog hunter. He is on the cliff side at 42, 42, directly north and east of the Ruins of Eldarath.
His first task for you is to collect two perfect courser antlers. You can find loads of Moss-hoof Coursers directly north on the top half of the isthmus. You will need two pieces to make one pair.
His next chore has you gather six wave-thrasher scales. You can get these from wave-thrashers and young wave thrasher hydra in the nearby ocean.
You can find Wave-thrashers directly south of Ogtinx and young wave-thrashers north on the edge of the zone. Return back to him when you have six.
Your final task is the hardest. You need to travel to the Sunken Temple in the Swamp of Sorrow and kill the dragon, Morphaz, inside. You will need a group to reach him and clear half of the instance before reaching him.
He is in the second level in the giant circular room, past the six trolls, and usually inside one of the tunnels.