Try these templates on for size, or better yet, let your students go nuts with them.
Animoto - A user-friendly video creating site that features nice-looking templates and from-scratch capabilities.
Build Your Owns- Eric Curts shared these "Build-You-Owns" on his blog: Jack-o-Lanterns and Turkey
Comic Book Template - Also created by Mr. Barcenas, I adapted this comic book template that uses Google Slides into a syllabus.
The Daily Prophet - Did you know Google Slides can be used for more than just presenting? Originally developed by George Barcenas, this Slide Deck was created as a template for a newsletter, and I adapted it to serve as a Harry Potter-themed syllabus.
Clue! Template - Play Clue with your class by using these templates.
Customize a Tournament-Style Bracket
Customize a Treasure Map
Customize a Fake Text Message
Customize a Fake Ticket Generator
Customize a Fake Receipts
Customize a Fake Tombstone
Customize a Fake Road Sign
Customize a Fake Medal
Customize a Fake Wedding Sign
Customize a Fake Motel Sign
Customize a Fake Prescription
Customize a Fake Eye Chart
Customize a message on a cake
Customize a Fake Instagram post.
Fortnite - Leverage the popularity of the latest video game craze with Tom Spall's choice menu template.
HyperDocs - Nadine Gilkison's generously shares her prolific Hyperdocs template library. Here are many more.
Instagram Stories on Google Slides - This one's a bit complicated, but it looks great!
Jigsaw Planet - Makes any image into a jigsaw puzzle - you determine the number and shape of the pieces.
Magazines - Ryan O'Donnel has a Time Magazine and National Geographic templates.
Morse Code Translator - Generates and translates messages to/from Morse Code.
Newsletter Templates from Google Trainers Mr. Michael Filippeti and dmamolito.
RPG Playground - RPG Playground is a really easy way to design your own Role Playing Games sans programming or any artistic skills . Games can be shared.
Rotten Tomato - Rather than merely having students write a book report, have them write a critique of the book. Use this Rotten Tomato template for a book review.
Snapchat Games in Google Slides - Matt Miller shows you how to use in class and gives you free copies of all templates.
Story Speaker - This Google Docs add-on allows you to create interactive, talking stories without any coding required. This is a great, unconventional way to write a choose-your-own adventure story. As an experimental feature, you can play your stories on a Google Home. Here's a demo video.
Tableau - Use Story Spheres to have students create a 360-degree tableau (ala Pageant of the Masters) to summarize a scene from a book, recreate a historical event, or demonstrate an application to a formula or chemical reaction.
ytmp3.cc - This site allows users to convert YouTube urls to downloadable mp3 or mp4 files.