Now that the technical requirements and design considerations for Twitter header images have been covered in Part 1 of this topic, the next step is putting that knowledge to work in creating and uploading a header image to Twitter.
A downloadable Photoshop header template can help you plan, create, and save your header image. It has “helper” layers to show you where the profile photo is positioned, a diagram of image dimensions, sample text you can use to check for readability, and a semi-transparent black gradient layer to test the effect on your header image before you upload it to Twitter.