Just leave a banner or icon suggestions when you feel it's time for a change or when you think you made something that should be used as a new banner/icon. You can also suggest some females that should be put in the banner.
Banners need to be 800x100 or proportional and icons need to be square.
List of top 18 characters voted by the members of the spot: (Thanks to XNaley_JamesX)
Haley James Scott