To create an Instagram Photo slider in WordPress, First you have to install and activate Soliloquy Slider plugin. Next you need to install and activate Instagram add on. You will not be able to install the add on if you have not yet verified your Soliloquy license. Go to Soliloquy>> settings and verify your license key. Then go to Soliloquy>>add on to activate Instagram add on. After that you can easily integrate Soliloquy with your Instagram account. Go to Soliloquy>>settings>>Instagram to authorize Soliloquy with your Instagram account. Now you can add your slider to a post/page. Edit the post/page and click on add slider and select Instagram slider. Then publish or update your post/page.
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How to Create an Instagram Photo Slider in WordPress