BP Daily guest display using Membership plugin

I logged out of my site to see what a guest would see. I used membership to limit their view to an about page and the featured category

But the home page is displaying oddly. I have taken screenies (scrolled out) to show how the page goes all over the place in IE8 and Google Chrome. It looks fine in Firefox.

Also the About page menu doesn't show. If I click on another menu it suddenly shows up.

I haven't done any custom images backgrounds or changed anything yet.

When I log in everything appears in the correct place.