Using the BigCartel Dashboard, choose where you'd like to add POWr Media Gallery.
Note: POWr Media Gallery is not available to free BigCartel users.
Paste Code Snippet
Paste this code in the box. Save.
Visit the live store by clicking on View Store.
Go to the Big Cartel page, and find the plugin.
There will be a Settings Icon in the top-right corner of POWr Media Gallery. Click it to launch the POWr Editor.