You will have to follow these steps for EACH picture you want add a Pin It Button. What is the advantage of doing this? First, it provides a quick and easy method for readers to pin your pictures. Second, the Pin It button will show you how many times your picture has been pinned.
Step 1: Head over to Pinterest and click the About button (top right corner), scroll to the Pin It Button option in the drop down box
Step 2: Scroll Down until you reach Pin It Button For Websites
Step 3: Type in the URL of the specific webpage the pin is on, for example my URL for this pin was:
Step 4: Type in the URL of the image to be pinned
To find this, right clicking on the image and chose Copy image URL. Paste URL into field
Step 5: Add a description of the picture. The description you add will appear in the description box for the pin
Step 6: The URL information you added will now create an HTML Code.
Copy this HTML code into your blog HTML code, directly below the picture you would like the Pin It button to appear under.
When readers click your Pin It button, it will automatically add your picture and your description to their Pinterest board. The BEST feature of this tool is that Pinterest will show you how many times your picture has been pinned on Pinterest!
I added a Pin it button to this picture just for kicks...