Day One: Favorite lead female character
Day Two: Favorite supporting female character
Day Three: A female character you hated but grew to love
Day Four: A female character you relate to
Day Five: Favorite female character on a male-driven show
Day Six: Favorite female-driven show
Day Seven: A female character that needs more screen time
Day Eight: Favorite female character in a comedy show
Day Nine: Favorite female character in a drama show
Day Ten: Favorite female character in a scifi/supernatural show
Day Eleven: Favorite female character in a children’s show
Day Twelve: Favorite female character in a movie

Day Thirteen: Favorite female character in a book

Annice in Tanya Huff's Sing the Four Quarters. Lots of reasons, but the one that springs immediately to mind is, she had all the privilege that comes of being a princess, and she put it down (as best she could) and walked away.

Day Fourteen: Favorite older female character
Day Fifteen: Favorite female character growth arc
Day Sixteen: Favorite mother character
Day Seventeen: Favorite warrior female character
Day Eighteen: Favorite non-warrior female character
Day Nineteen: Favorite non-human female character
Day Twenty: Favorite female antagonist
Day Twenty-One: Favorite female character screwed over by canon
Day Twenty-Two: Favorite female character you love but everyone else hates
Day Twenty-Thre: Favorite female platonic relationship
Day Twenty-Four: Favorite female romantic relationship
Day Twenty-Five: Favorite mother/daughter and/or sister relationship
Day Twenty-Six: Favorite classical female character (from pre-20th century literature or mythology or the like)
Day Twenty-Seven: A female character you have extensive personal canon for
Day Twenty-Eight: Favorite female writer (television, books, movies, etc.)
Day Twenty-Nine: A female-centric fic rec
Day Thirty: Whatever you’d like!