Final answer:
The question lacks context about the source material to provide a precise answer. Generally, a character named Inkling could alter a depiction of another character's mother in several ways, depending on the narrative.
Step-by-step explanation:
The question "How did Inkling change the picture of Ethan's mom?"
suggests that it is referencing a narrative or literary context, likely from a book or story where 'Inkling' is the name of a character or entity that has an effect on a picture of another character's mother.
Without specific details about the book or story from which this question is drawn, it is not possible to provide an accurate answer.
Generally, in literature, a character named Inkling could use various methods to change a visual representation of a character's mother, such as physically altering a photograph, digitally modifying an image, or metaphorically changing the way the character perceives their mother through actions or revelations in the story.