You can change your theme’s banner image and title with your description in your header.
To do so, click on the settings in your dashboard.
You can modify Site Title and Tagline
In a few words, explain what this site is about.
If you downloaded a free WordPress theme, usually you will find under appearance, click on header navigation button.
There you can choose an image from your files and use any image as header by uploading the image to your theme.
If you do not know how to do this read this article here.
Buy 50 WordPress Banners for $5.00 here
Description: WordPress Banners
This set includes 50 abstract, floral, colorful images.
Number of images: 50
File: .png and jpg file format
Image Size: width 1200px by 400px height
Folder Size: 11.6MB in a zip folder.
You will receive a link to download to your email address.