Set up Buy Me A Coffee button on Tumblr
This guide will help you add the beautiful Buy Me A Coffee button on your tumblr blog and start receiving support from your fans.
Once you have created your Buy Me A Coffee account, sign into your Dashboard
Select "Overview" Tab.
Click “Create your button” on the left corner. A new page pops up where you can do the styling and copy the HTML code.
Head over to Tumblr, Log in and Select “Account” in the rightmost corner of the page.
Click “Edit appearance” option from the list.
Click “Edit Theme”.
Now, paste the HTML code we copied earlier at the “Description” bar on the left.
Voila, you have succesfully added the Buy Me A Coffee button added to your tumblr Blog.