Ok, now, to go with the Mane Six one I did, have one of what I believe are the biggest six background ponies in the fandom.
I guess an alternative title for this could be The Shipping Six, since they all seem to neatly divide up into three commonly shipped pairings.
But hey! It's fine! Lyra, Bonbon, Doctor Whooves, Derpy, Octavia and Vinyl Scratch, just in case someone here's new to the fandom and doesn't know.
Also, because I know it's gonna be mentioned in the comments, here's my take on the whole disappearance of Derpy thing:
Chill the f#ck out, and give it some time.
That's all I have to say.