For the Mechano-hog/Chopper you just need the riding skill (150) or level 40, to use it, and then pay an engineer a lot of money/mats to make it for you.
For the flying mounts that engineers can make, you need to not only have the artisan riding skill (300) which costs 5000g (4000g at exhalted reputation with any major faction), to use them. But you also must be an engineer of engineering level 375 to make and lvl 70 to use it. The recipes should be available at the engineering trainers in Shadowmoon Valley.
You can find a list of all the materials on the link below. (Wowhead)
There is no Battle Tank mount in World of Warcraft.
It would seem that you need to have a full World of Warcraft license to purchase this mount.
The dwarf have access to the Ram mount.
you can get a mount in the amberstill ranch in dun morogh
70.
If you are talking about the travelers tundra mount (the mount with the vendors), you have to kick the vendors out first, then your friends can get in.
Yes, World of Warcraft
the bull/cow place. they have awesome dragons <3
The code that gives you the Tiny mount is available for 50 uses; after that it is gone.
Iris Moondreamer is a non player character in World of Warcraft. She sells her gear at Nordrassil Inn in Mount Hyjal.
Nordrassil is located in the Mount Hyjal zone, or will be when the Cataclysm expansion hits.
Not at this time. And there are no plans in the immediate future to allow customizing armor.