FYI... when you open the site with IE the playmo heads in the background don't show.
Odd. It works on both for me. Maybe your browser has cached an earlier version from a few days ago because the background was originally just a gradient. I changed it just the day before we went back online. Try emptying your IE cache and reloading the page. If you don't want to do that, just wait it out and keep refreshing as often as you can because it will eventually resolve by itself.

Other than that the only weird thing I found is that when you open the window for the extra smileys they show up first in letters and then transform into the actual smiley. 
That is just an issue of download speed. Happens for me too. Once you have opened the window several times it should hopefully get faster to load. Emptying your internet cache will make it slower again, though.

Also, that window is very small and every time I open it I must make it bigger to see them. That's for either Firefox or IE.
Yeah, I know. I want to try and improve on that.

On the previous version, I manually edited a file's code to increase the size of that pop-up window. So far I haven't discovered which file holds that info, because it's not located in the same place as before.