For many social media professionals, Twitter is a window to the world. Twitter lets you talk to your friends, discover interesting content on the web, and keep up with breaking news and other happenings. Your Twitter profile picture is how other Twitter users see you first. Therefore, keeping it up to date is an important part of maintaining a strong social media presence. You can use the official Twitter app on your iOS iPod Touch to edit your profile.
Download and install the official Twitter app from the Apple App Store. Open the app and tap “Sign In” and enter your Twitter login information. Once you are logged in, you will be able to change your profile settings.
The second step
Click on the Me tab and click on the gear icon. Select “Edit Profile”.
Click on the “Image” tab. Take a new photo or select an existing photo from your iPod photo library.
Click “Save” to apply the changes.