Thanks, but not sure what you mean? Just add any standard emoticon code to a WordPress post, either by the code (such as :roll: for the rolling eyes) or using one of the wysiwyg editor insert icons – when Responsive Lightbox is installed but disabled WordPress creates the following html:

…which displays the emoticon.
As soon as the lightbox is activated this changes to:
![]()
…at which point, for example, Firefox displays nothing, Chrome returns a broken link image.