If you’re only using an image (no content), then that’s exactly what will happen.
However, if you have content set, it will ignore the image unless it’s set to the background using the appropriate setting.
So, if you’re only adding an image, you can use the image tab and no content – you’ll be good to go.
If you want both, you’ll have to set the image as a background, or add it using a img src tag inside the content itself.
Let me know if you need any more help.