Lovely Frankenstein's 31 Days of Halloween: Organza Ghosts

This, unfortunately, is not a tutorial.  However, it a really simple and really effective way to add a little spooky shimmer to ANY quilt whether the blocks are Halloween themed or not:

I found this picture here and it's implied to be linked with a tutorial, but it's not clear as to where exactly...when you click the picture it just brings up the picture and the source isn't directly named.  So for now, this is here for inspiration!