Board Thread:New Features/@comment-10637-20140812141830/@comment-10637-20141008110114

Oh, and I found the author of the NY Times version! It looks like he's offering the code for free. Could this be installed on a wiki?

http://www.catchmyfame.com/catchmyfame-jquery-plugins/jquery-beforeafter-plugin/

Although, I would prefer an OnMouseOver/hover version, rather than having to click and drag.