Documentation:Customizing Theme Headers in WordPress

From UBC Wiki

One way of customizing your WordPress site is by customizing the theme header.

Figure 1: Custom Header
  1. From the Dashboard, under the Appearance drop-down menu, click Header. (see Figure 1 image at right)
  2. Click on Choose File, select an image (jpg, gif, png) from your computer and click Upload.
  3. Adjust the header image with the slide ruler and click Crop Header.
  4. Click Visit Site and see what your webspace looks like now!