Twitter made a few tweaks to everyone’s profile pages a few days back, and now we’re able to have our very own customized headers like so:
So here’s how!
Click the gear icon on your Twitter profile > Settings > Design > Change Header (on Customize Your Own)
Then upload your desired image with the exact dimensions of 520×260. It says 1200×600, but that isn’t needed.
So here’s mine:
Enjoy your new layout!