I enjoy the costumes, trick or treating, and the silly, playful fun of Halloween. I have leaned more towards monsters in the past several years as they aren't really Halloween and can be use any time of year.
On my Patreon site there are SEVERAL posts using children's lit, songs, games, speech pieces, solo singing activities, etc. This is one recent massive post, with 3 embedded videos! Here is a pic of some of the things from that one post: