Adding a new image from Canva:

Step 1: From storefries dashboard, go to New Post.

Step 2: Click on the Media attachment button on the menu try on the bottom right

Step 3: Choose Design on the Canva button

Step 4: This shows the shortcut templates to choose from

Step 5: Choose from the listed social channel templates for Facebook/Twitter the general template with the "Social Media Post" button

Step 6: The Canva Frame opens with the selected template, edit an image, or design a new one from scratch

Step 7: Once you are done, click Attach to add the image to storefries

After adding an image from Canva:

Once you add an image from Canva to the storefries publisher, you can edit it again from the publisher window by clicking on the Edit On Canva button.