Set Up an Instagram Feed
To begin, download and activate the Smash Balloon Social Photo Feed plugin.
After the plugin has been installed navigate to your Instagram Feed panel. Click the blue button under Configure to log into your Instagram account. Then Save Changes.
Under the Customize sub-panel, you may customize the display settings for your Instagram feed. The screenshot below is an example of how you can customize it.
Under the Display Your Feed sub-panel copy the shortcode given.
Navigate back to Appearance > Widgets. Under the Instagram Feed widget location paste the shortcode into a Custom HTML widget and then save.