Crooked Trees of Alticane
1. Check to see how many extra content area your theme supports. For each support instance, you'll need to change the trailing number in the id to suit. For example, "myExtraContent1", "myExtraContent2", "myExtraContent3", and so on...
2. If using ExtraContent in a styled text area, be sure to highlight from "≤div id="myExtraConten..." to the beging of your own content, then mark it as "Ignore Formatting" (RW Menu » Format » Ignore Formatting). Repeat the process from the end of your content until the end of "...#myExtraContent --≥"