When you move your mouse over the thumbnail image, you will see the before and after effect created in the tutorial. You can then view the entire tutorial by selecting either the thumbnail view or the "View Tutorial" button. The "Download Project Files" button will give you access to the original image and/or project used in the tutorial. This will allow you to follow along and try your hand at making the same corrections.
Remember that all images on this site are copyrighted and violators will be prosecuted.