Bad Feed Item SOQL query for profile image

bad-feeditem-soql-query.cls

feedItemsList = [
    SELECT Id, Body, Title, CreatedDate, Parent.Name, Parent.MediumPhotoUrl
    FROM FeedItem 
    WHERE CreatedDate = LAST_N_DAYS:30
    ORDER BY CreatedDate DESC
];

feedItemsList = [
    SELECT Id, Body, Title, CreatedDate, Parent.Name, Parent__r.MediumPhotoUrl
    FROM FeedItem 
    WHERE CreatedDate = LAST_N_DAYS:30
    ORDER BY CreatedDate DESC
];

feedItemsList = [
    SELECT Id, Body, Title, CreatedDate, Parent.Name, Parent.Photo.mediumPhotoUrl
    FROM FeedItem 
    WHERE CreatedDate = LAST_N_DAYS:30
    ORDER BY CreatedDate DESC
];