This post features a tutorial on how to add a custom background to twitter profile in 5 easy steps. Step 1 : Login to your Twitter account Step 2 : Click on Profile . Step 3 : In the Profile page click on "Edit your profile" . (In case you are not able to locate this link just look below your picture thumbnail) Step 4 : Next click on the Design tab . Now you would be led to the design page. Simply navigate to the bottom of the page and you would find an option to "Change background image." Click on it. Step 5 : Now choose the desire image from your computer using the "Choose File" feature and hit "Save Changes" . The chosen image will now be displayed as your profile background.