Add a new instagram widget

Follow the instructions here.

Set Up the Featured Posts Widget - Home Page

To display featured posts, do this:
1. Go to Layout -> open the "Featured Posts" widget.
2. Change the word Featured that's selected in the screenshot below with the label you want to display posts from:

3. Click on "Save".

Here's the code for the featured posts, in case it's deleted:
<script type="text/javascript">
var numposts = 4;
var displaymore = false;
var showpostdate = false;
var showpostsummary = false;
var numchars = 1;
<script type="text/javascript" src="/feeds/posts/default/-/Featured?published&alt=json-in-script&callback=featuredposts"></script>