Here are my details, not sure if you will find them creative.
Idea 1 - girl in cloud
Character :-
Outfit :-
Given in the character card or you can change
Reference Pose :-
Idea 2 - trapped girl
Character :-
Outfit :-
Given in the character card or you can change
Reference Pose :-
Idea 4 - zombie
Character 1 :-
Changes :-
Skin tone - green
Hair style - medium down
Or
Character 2 :-
Outfit -
Torn dirty shirt
Torn dirty jeans
Vampire blood bite
Blue viens
Blood
Any scar on face (optional)
You can change or add anything in the outfit
Reference pose :-
You can change the pose
Idea 5 - magical fairy
Character :-
Changes :-
Hair style - wavy long princess braid
Outfit :-
Any pink/red/blue/violet long dress
Any Colourful fairy wings
Any Heels matching with dress
Any Magical bracelet matching with dress
Any Magical necklace matching with dress
Reference pose :-
I love your arts by the way. They are amazing as well as your drawing skills.