How to change background image in twitter?

                                     1.    First Login Your twitter profile.

 

2.       After Login on Twitter Move your mouse cursor on upper corner profile Tab.

 

3.       Click on Setting Button

 

4.       After click Setting button click on Design

 

5.       Choose any Twitter background image or upload your own image by clicking on change background images

 

6.       After upload your own image click on save changes

 

7.       Your background image has been changed like this screenshot