You can also rank your own images in more than 25k results with pinterest post.
Recently my friend has rank their image on top searches of Google in more than 28k results with pinterest post.
If you want rank your image you just have to follow simple steps.
**You just have to find any long tail keyword of that "main keyword". After find that keyword just add your image will proper description and title in pinterest post. This will help you to rank on top of your long tail keyword. After some time your image will shown in your main keyword. **
