I'm pretty certain that the ad that Liz Mair's group put out had some serious impact, given how much the Trump campaign has been pissing and moaning about it today, including threatening Heidi Cruz. From what I understand, it was just a Facebook ad, but it used pictures that Melinia Trump took years ago sans clothing:
(no subject)
Date: 2016-03-23 11:45 pm (UTC)http://www.redstate.com/streiff/2016/03/23/ad-driving-donald-trump-bonkers/