The Vertical theme is designed specifically for artists who have work that is predominantly in portrait aspect. E.g. characters, novel covers, etc.
This is a premium theme and requires an ArtStation Premium account.
Step 1: Activate the Vertical theme
Go to "Website Builder" and select the Vertical theme.
Step 2: Upload vertical home page images
Customize the theme settings and upload the vertical images. You can link each image to certain sections of your website.
Step 3: Save changes
Remember to save any changes to your theme.