You can customize:
- logo, facebook link, twitter
- sections included as : special offers, new arrival, besteseller, auto import products from a category, or choose products yourself
- colors: choose your colors for newsletter

functions like: preview, send now or schedule sending

HELP + More images here: http://www.oc-extensions.com/Newsletter-Builder (see tab Help)

You can check DEMO here: http://demo2.oc-extensions.com/modules/admin/
(user: demo, password: demo)
After login goto Extensions->Module search for Newsletter Builder and press Edit


Newsletter Builder - Change Log
see change log on oc-extensions.com/Newsletter-Builder (Tab Change Log)