A kind Twitter-er has made some before-and-afters for the Battle of Hoth:
https://twitter.com/ToasterMemes/status/899363175849750532/video/1
https://twitter.com/ToasterMemes/status/899369874262306821/video/1
That’s cool! It would be awesome if there was a way to do a mouseover effect like screenshotcomparison.com but with video or animated gif.