Thanks to NationBuilder's embed.ly tool integration, adding a photo album to your pages and blog posts is as easy as pasting a link - really.
Using the embed.ly tool
Copy a link to any set, slideshow, or image from Flickr, Picasa, or any other supported service.
Next, Paste your link directly into your Content Editor Pane.
NationBuilder recognizes them as content URL's and automatically converts them into embeds.
If you encounter problems getting the embed to show, make sure your link is not wrapped in <p></p> tags. You can check this by opening the HTML button in your Content Editor Pane and deleting the tags if you see them on your link.
tag it is coming back
Per embed.ly’s provider documentation (http://embed.ly/providers), the following Facebook URL patterns are available for embeds:
tags, hit save, but they remain.