def getAdditionalImages(self, setID):
params = {<EOL>'<STR_LIT>': self.apiKey,<EOL>'<STR_LIT>': setID<EOL>}<EOL>url = Client.ENDPOINT.format('<STR_LIT>')<EOL>returned = get(url, params=params)<EOL>self.checkResponse(returned)<EOL>root = ET.fromstring(returned.text)<EOL>urlList = []<EOL>for imageHolder in root:<EOL><INDENT>urlList.append(imageHolder[-<NUM_LIT:1>].text)<EOL><DEDENT>return urlList<EOL>
Gets a list of URLs containing images of the set.

:param str setID: The ID of the set you want to grab the images for.
:returns: A list of URL strings.
:rtype: list
.. warning:: An empty list will be returned if there are no additional images, or if the set ID is invalid.