<iframe src="http://snapwidget.com/sl/?u=dG9rb2FyYnxpbnw4MDB8M3wzfHxub3w1fG5vbmV8b25TdGFydHx5ZXN8bm8=&ve=290515" title="Instagram Widget" class="snapwidget-widget" allowTransparency="true" frameborder="0" scrolling="no" style="border:none; overflow:hidden; width:805px; height:805px"></iframe>
Paste this code anywhere on your website where you want the widget to be displayed.
To use the secured version of the widget for Facebook pages, replace the http in the above snippet with https