When adding a Tumblr site bookmark to your Home Screen (tap Mobile Safari’s plus button to find this feature), Tumblr will serve the site’s Portrait Photo for the icon. You can tweak this photo under Customize > Info.
When adding a Tumblr site bookmark to your Home Screen (tap Mobile Safari’s plus button to find this feature), Tumblr will serve the site’s Portrait Photo for the icon. You can tweak this photo under Customize > Info.