The Vanishing Leprechaun - Answer

So you think the image is being altered, do you? You think the two pictures really aren't the same with pieces exchanged. Well... I hate to say it... it is the truth.
Here's a picture of the switch:
So, now that you know I'm not lying. Where the heck does the 15th man come from, and where does he go? 

Once again, here is the picture with 14 little guys.

While switching the top two pieces leaves us with 15 little guys.
Sure you can't get it?

Ok, ok, I give up! Tell me!