Edit user settings
Open the Settings page, click Users & Roles, and click edit next to your user name.
Open the Developer menu
Check the Developer box, then open the Developer menu at the top of the screen.
Add YouTube Gallery
Add this shortcode to any text field to create a new YouTube Gallery.
Begin customizing this YouTube Gallery Plugin directly inside of the SpaceCraft site:
Go to your live SpaceCraft web page and click the gear icon in the upper right corner of your YouTube Gallery Plugin.