I used the [questions/{ids}/edit][1] to add a hyperlinked image at the end of a question. It works if I use the default dimensions of the image. However, if I specify the width using `width="320"` or `style="width:320px"`, the image is not visible. Below is an Objective-C (iOS) example of how specifying a width causes the image to not show up.  

    [self.httpEditQuestion
        requestWithUrl:[NSURL URLWithString:[NSString stringWithFormat:
            @"%@questions/%@/edit",
            API_BASE_URL,
            self.currentQuestion.identifier
        ]]
        post:@{
            @"key": APP_KEY,
            @"access_token": self.accessToken,
            @"id": self.currentQuestion.identifier,
            @"preview": @"false", // TODO
            @"site": self.currentQuestion.siteIdentifier,
            @"tags": [self implode:self.currentQuestion.hashTags],
            @"title": self.currentQuestion.name,
            @"body": [NSString stringWithFormat:
                @"%@ <p><a href=\"%@\"><img width=\"320\" src=\"%@\" /></a></p>",
                self.currentQuestion.body,
                self.currentUrl,
                self.currentThumbnail
            ]
        }
    ];


  [1]: https://api.stackexchange.com/docs/edit-question