To make a custom page, go to My Webcomics → Manage (of the webcomic to which you are adding a custom page) → Custom Pages → Add New Custom Page.
Make sure that next to Use Template?, "Yes" is checked.
Then copy and paste everything in the box below (click within the box, then select all [ctrl+A]:
Edit the heading and content as written in the copy-and-pasted text.
(In other words: replace custom page title with desired title, and replace <p>Content goes here.</p> with your content)
Go to My Webcomics → Manage (of the webcomic to which you are adding a custom page) → Page Design / Appearance → Overall Template.
Find this section:
#header h1 {
background: url(http://img143.imageshack.us/img143/9956/tempbanner.gif) no-repeat center; /* REPLACE WITH URL OF YOUR OWN BANNER */
display: block;
font-size: 0em !important;
}#header h1 a {
color: #ffffff;
display: inline-block;
height: 200px; /* CHANGE TO HEIGHT OF YOUR BANNER IMAGE */
width: 700px; /* CHANGE TO WIDTH OF YOUR BANNER IMAGE */
border: 20px solid #000000;
}
Replace http://img143.imageshack.us/img143/9956/tempbanner.gif with the URL to your desired banner.
Then change height: 200px and width: 700px to the height and width of your banner.