Return a list of images for this cloud

    :param profile: The profile key
    :type  profile: ``str``

    :param location_id: The location key, from list_locations
    :type  location_id: ``str``

    :param libcloud_kwargs: Extra arguments for the driver's list_images method
    :type  libcloud_kwargs: ``dict``

    CLI Example:

    .. code-block:: bash

        salt myminion libcloud_compute.list_images profile1

def list_images(profile, location_id=None, **libcloud_kwargs):
    '''
    Return a list of images for this cloud

    :param profile: The profile key
    :type  profile: ``str``

    :param location_id: The location key, from list_locations
    :type  location_id: ``str``

    :param libcloud_kwargs: Extra arguments for the driver's list_images method
    :type  libcloud_kwargs: ``dict``

    CLI Example:

    .. code-block:: bash

        salt myminion libcloud_compute.list_images profile1
    '''
    conn = _get_driver(profile=profile)
    libcloud_kwargs = salt.utils.args.clean_kwargs(**libcloud_kwargs)
    if location_id is not None:
        location = _get_by_id(conn.list_locations(), location_id)
    else:
        location = None
    images = conn.list_images(location=location, **libcloud_kwargs)

    ret = []
    for image in images:
        ret.append(_simple_image(image))
    return ret