Twitter allows you to upload custom background. You can easily personalized your Twitter Background and give an identity to your twits. Once you have logged into your account do the following;

Step 1. Open your Twitter Profile. “Click Settings”

Step 2. Click on “Design Tab”

Step 3. Select a cool twitter background design from Twitter Vogue or choose one from a handful of themes Twitter has available.

Step 4. Click “Change Background Image”, Browse your Image and Upload it.

Images can be either JPEG, GIF or PNG files no bigger than 800kb. Twitter saves our previous Background Images along with your profile, so you can always undo and choose the previous background.

Step 5. Change your Theme’s Color. Click on the “Change Design Colors” to change your twitter color scheme to one that matches your background image.