Sorry, I know this sounds kind of dumb but I was wondering if there is a way to save the images or full screen the game so I can screenshot the CGs?
Just simply press the PrtScn button on your keyboard. The image will then be saved in your Local Files > Tailor Tales > www > Screenshots.
You can browse your local files by opening the Itch app, click on Tailor Tales, and at the bottom right corner it should say "show local files" so you can open the correct folder :)