Mythical Monday - Dress like anything mythical or magical. Think unicorns, griffins, famous mythological figures, Dungeons & Dragons.
Teddy Bear Tuesday - To celebrate the end of Fat Bear Week, bring your teddy bear or dress like a bear.
Working Wednesday - Take a picture of your serious asynchronous work space/time and send it to your teachers. Maybe you're rocking it formal office style on your day on your own or maybe you're low key and relaxing.
Time Travel Thursday - Pick a decade and dress it!
Fandom Friday - Dress to support whatever you're obsessed with - sport, movie, book, game, manga... wherever your fandom lies.