If you’ve been working through the Ontario Extend Modules, you ought to be able to rattle them off, right? (what, you are not looking at the modules, hurry now and check them out).
Find an image for one of the modules, using it as a search term, at Unsplash.com, the collection of high quality open licensed photos. Keep track of where you found it so you can provide attribution. Then use any meme generator, we like https://imgflip.com/memegenerator, to create your assertion.