How to change steemit cover image
How to update your profile cover image on Steemit:
Cover image zise: 1366 X 178, 1680 X 252 ( best size is 1920 x 300 ).
Go to Settings on the main screen
Copy & paste the url, for cover image address on the COVER IMAGE URL
Click => Update
It will end, when you enter your user login and password
