As this page shows, not every header needs to have an image.

If you don't have lots of good imagery and your microsite is an informative text-based website, consider not adding a header image.

What else
can you do?

There's lots of things you can do, including:

If you have lots of text you could break up the wall of text by using a dropdown.

In fact, you can add as many dropdowns as you'd like!

There's a range of other components to choose from, such as image galleries, image-led links, text-led links, large image-based call-to-actions and more!