Click on your name on the top of the page then click on your account then scroll down to the bottom and click on forum management then the next page there should be an option to change your avatar
If you make a boosted character then the story is automatically completed for you up til that point unless you buy the masters datacron then you can start at the beginning and be a higher level
Finished the op tonight with my guild brotherhood of darkness and nobody received credit for completing the op and the huntmaster boss bugged out the first time we did it the crab never showed up and we had to stuck it to reset the fight
you can do it to keep your crafting skills up and get them to 700 before you hit 75 also you dont need to put shield or absorb on since youre a sage crit still helps even when mastery and power are capped
Conquest is fine how it is. it gives characters of all levels opportunities to contribute to whichever guild they are in or if they are solo it gives them a boost
most likely they have multiple accounts and multiple people that can operate those accounts 24/7 and dump all the credits into one big lump like a guild bank