What is an Image Set on Everycontractor.com
There are 3 different types of image sets on Everycontractor's Image Search engine. Below is the names and description for each image set that is available.

Single Image
An image or photo that was taken and is singular; independent and not attached to any other image, photo or image set(s).
Before and After
A Before and After set consists of 2 images or photos that showcase a project. Images or photos can show work before, in progress, and the end of the project.
A sequence of 3 or more images or photos from a project. An entire project from beginning to end, or different areas of a project that the contractor has performed work on.