Add HTML Section
Go to New Section App Store & HTML.
Choose HMTL from the App Store
HTML requires a Strikingly Pro account.
Paste this code into the box provided and save.
The plugin will appear.
Preview Live Site
Click on Preview in the left sidebar of your Strikingly Editor.
Click on the blinking Settings Icon to open the POWr Editor.
You can now set up and edit the Tumblr Feed plugin.