Looking to have a nice background for your Twitter profile page. Then check out this tutorial on how you can create one using PowerPoint (or Keynote if you work on a Mac).
It requires you to download a PowerPoint template with areas marked where you are free to unleash your creative skills. Once satisfied, simply export the PowerPoint slide as a JPEG image and upload it to your Twitter page.
These PowerPoint templates are 1920Ã—1200 pixels in size to account for most computer screens; feel free to change the template size to suit your needs.