The icons are missing at the main page. The image will make it easy to understand.
www.gxcom.org
Looks fine to me.
Perhaps there was something in your cache?
Or some images are not where they should be...
images/blacklagoon/off.gif
images/blacklagoon/post.gif
Re-download the theme/buttons that you are using and check that everything is in place.
Well make sure that the images are uploaded to /images/blacklagoon/