Thanks.  I'm taking this one step at a time.  Trying to prepare my best work for the 3 initial...then see what happens.

Do I need the image title, description and keywords for the initial 3?

Is it mandatory that you have to submit 3 images for the initial review?  Also, if accepted, will I have to come up with 3 images to submit each time or can it be 1 or more per time?