For that one, yes. I basically just directly copied the source of my post from my forum, which uses BBCode rather than html. If I were to copy that post to here, you'd see the image, and then <a href=link><img src=link></a> (example) instead.
FB/Twitter have to be set up separately, this needs to go live on AC's server before I jump into that (assuming she wants it, of course).
I was thinking that about the menu bar, personally, but didn't think to change it.. That's how this particular theme was made. Fixed now. Also gave them some form of separation.
I'm not 100% sure what you mean by loading large..