Sure, a picture is worth a thousand words. But if these funny cropped images prove anything it's that not every single one of those thousand words has to be the truth. Not even close. Cropping images can really change everything. Editing an image to only reveal a carefully selected portion of a photo really decides what story that picture is telling. Here is a list of photos where image croppers (liars) were caught.
This list includes not only people that tried to trick anyone looking at their photos, but also includes folks that found themselves the targets of unfortunate cropping accidents. The lesson to be learned here is that you should always carefully inspect the background of all of your images before you post them online.