This is not a feature officially supported by Chyoa, merely an 'exploit' of the underlying structure, but you can insert pictures with this syntax: Code: 
Hi So I was asked to write a chapter by a fellow author, and they supplied me with an image, but every time I inserted one it wasn't loading. I finally figured out that whatever Url i was copy pasting, like the one I was supplied, it would put \'s before any _'s in the url. I found a link of the same picture that didn't have any underscores in it url and it's working. Was there something I was doing wrong, or is this just a odd quirk?