Updating all of the Amazon embeds is a time-consuming, manual process. If this add-on is useful to you, please consider making a donation using either button on the add-on's page, thanks.
Updated Gfycat, Google Sheets, Instagram, Medium, MSNBC and Twitter
Updated Facebook, Github Gist, Google+, Google Sheets, Imgur, Instagram, Pinterest, Reddit, Telegram, Tumblr, and Twitter
This revision contains updated site definitions as well as a fix for a CSS injection issue in some of the templates.
The CSS issue was reported by ThemeHouse's Jake B.