If you are using the Picture Window template, your blog does not automatically display an image header, even if you upload one to the Header section. You must edit the blog HTML to add your own ...

How to Create a Blogger Header. One of the marvels of the free blogging platform Blogger is the ability to customize your blog's header. Rather than use Blogger's bland, default text header, you ...

Rescale. You’ll need to edit the image to adhere’s to Twitter’s image-size specifications. Using image editing software is the best way to rescale your header image.