Procedures are available at
https://fedoraproject.org/wiki/Picture_book#Submitting_your_image
Let me know if you think they should be changed. I've got a watch on the
page. Media in a category automatically shows up in a gallery format --
after they enter the "to be approved" category, we can move them to
different categories as necessary to sort out the incoming images. I'm
thinking different levels of usability, a rating from 1 to 3, one being
the most usable.
I think is is wise to provide a nice PDF of a basic Release Form people
can't use, here is my initial proposal in editable format, please
improve it as necessary (it uses the MgOpen Modata font):