For that, go to Growave admin panel > Apps > Instagram and click on "Create a new gallery" button. When you click that button a pop-up form will appear as shown below.
You only need to fill out the form by indication your @account or special #hashtag to give a source from where photos will be taken. Also, in "Gallery Title" field, you can display a message for customers to post photos with your products by certain hashtag. Here is an example:
That's it, it is that simple! If you experience any problems please feel free to contact us