OK writes:

If we are in the topic, of video overlays, I suggest this:


Such comparison was once mentioned on your blog, but I don’t know if you remember: http://shroudstory.com/2013/03/21/more-from-the-tours-of-the-nine-replicas/

Here is Wikipedia article on the history of the image: http://en.wikipedia.org/wiki/Divine_Mercy_image

I forgot. Thanks for reminding me. Here is the video you mention: