There are a couple basic tutorials at the top of the Legacy Forum located here – https://appfinite.com/forum/legacy-theme-support/
One of those links shows you how to add content inside of the 3 widget areas at the bottom – https://appfinite.com/topic/how-to-setup-the-home-bottom-featured-images/ …you can add any type of content you want in those widget areas.
There are also some basic tutorials in the menu located here – https://appfinite.com/tutorials/
Wes is working on creating more tutorials for all themes pretty soon, so stay tuned for that.