All editors appreciate a short bio with each submission. They do not seem to be too worried about simultaneous submissions as long as you let them know who else you sent the piece to. All seem to be okay with e-mail submissions and queries. All four were asking for submissions. Do not email images right off the bat, query first.
Some images are huge.
Now if you will excuse me, I have to go sort through my loot bag. A book on Harcourt . . . Raise a reader bookmark . . . The deeper you can listen the better you can write. You take in the way things are without judgment.