You should connect your blog and Pinterest with a widget or plugin that shows your Pins in a simple grid fashion, so that your blog readers can easily find your Pinterest boards. Here is a screen shot of the Pinterest Pinboard Plugin in action.
The setup for this plugin is pretty simple, as shown in the screen shot below:
There are others out there, but this one is pretty simple and effective for a WordPress Blog. Connecting your Blog and Pinterest allows followers of your blog to navigate to your Pinterest, browse your Boards and Pins, and maybe navigate to other sites and blogs you manage from the interesting photos you Pin.
Be sure to buy or borrow your copy of Do-it-yourself Social Marketing: Pinterest for Kindle on Amazon