Open the Moonfruit editor
Go to Moonfruit and open the Moonfruit Editor for your website, and go to the page where you want to include your Tumblr Feed Widget.
Add an HTML Snippet
Choose < > HTML Snippet from the Insert menu. This will build an empty HTML Snippet, which you can move around and resize.
In the Setup tab, paste this code. Then click Apply
Begin customizing this Tumblr Feed Plugin right in your MoonFruit site:
Go to your live MoonFruit web page and select the Settings Icon in the top right corner of your Tumblr Feed Plugin.