--Users
  --id
  --username
--Posts
  --id
  --summary
  --published
--Images
  --id
  --link
  --alt
  --image_id
  --image_type

public function scopeWithImages()
{
    return static::with('images')->get();
}

public function images()
{
    return $this->morphMany('AppModelsImages', 'image');
}

public function scopeWithImages()
{
    return static::with('images')->get();
}

public function images()
{
    return $this->morphMany('AppModelsImages', 'image');
}

public function users()
{
    return $this->morphedByMany('AppModelsUsers', 'image');
}

public function posts()
{
    return $this->morphedByMany('AppModelsPosts', 'image');
}