How To Change gmail background with your own Image.

step 1 :  Sign in on your gmail account.
step 2 :  Select Mail setting from Options

 Step 3 : Now select Themes from settings



Step 4 :  Then scroll down and find "create your own themes" and click it.


Step 5 : following window will open:



Step 6 : Click on footer-following will open, then click ""select"



Step 7 : click upload photos.



Step 8 : click "Browse" and select image from your hard disc. finally click "upload".


Step 9 : Click save. 
Thats all, Enjoy.