If you're using the online designer, and haven't sent your order to us yet, you can easily change the cover material on the Album Details page. You can see the current cover option in the online designer, and your clients can view it when you send them the album for review.
Step one: Open the album in Workspace and you will be taken to the design.
Step Two: Click View Album Details
Step Three: Scroll down to the Cover section.
Step Four: Click on the blue link name of your current cover material. Cover material options will appear.
Step Five: Select a new material. In this section you can also change your cover style (below materials).
Step Six: Click Save (top or bottom of the page).
Step Seven: Click Back to Designer to see your new cover material selection.