Inpaint for Mac (http://www.theinpaint.com/), which lets you remove unwanted objects from a photo in one click, has been updated to version 3.0. It’s available for Mac OS X 10.6 or higher at the Mac App Store for US$3.99.
Inpaint reconstructs the selected image area from the pixels near the area boundary. The app may be used to remove undesirable objects from still images.
You can also use Inpaint to delete any unwanted object from your photo, such as a logo, watermark, extra power-line, people, text, etc. The program will automatically “inpaint: the selected area to erase it.