Both Google image and TinEye searches allow users to upload images and will find websites which have that image.  You can also describe the image and it will find similar ones.

To Finding the Exif Data - which is the embedded meta data stored in the image when taken on a digital device (for more information click here).

Download this program:

Jeffreys Exif Viewer
Or use these websites:

Video and screen Capture - Video screen capture (30 day free trial) - Video screen capture - Embed/hide a file in a picture - Video screen capture