For covers and banners:

Username:
Name you want on the graphic:
Book Title: 
Subtitle: [if any]
Genre:
Color scheme:
Theme: [dark/light]
Face claims: [if any]
Mature/LGBTQ?: [if yes, in what way?]
Password:
Tag your designer:
Tags: [10+]

Comment here-

For aesthetics: 

Username:
Character's name:
Gender:
Character traits: [shy, bold, sarcastic etc.]
Face claim: [if any]
Description of the character if you don't have a face claim: [hair color, eye color etc.] 
Color scheme:
A little about your character:
Password:
Tag your designer:
Tags: [10+]