Making alterations to images in your story is easy with the built-in editor.
To launch it, just select an image and choose edit image.
The selected image will now be opened in the editor. The following options are available:
Undo the last change
Redo the last change
Remove all changes to the image
Delete the selected shape
Delete all shapes
Add rectangles, circles, and triangles.
Crop the image
Flip the image
Rotate the image
Apply filters to the image
Once you are finished, click on Save to make the changes permanent.