OK. I did the add-on thing and tried a few different appearances. Primarily with the thought in mind of finding some manner of personally mitigating my disillusionment with the site background change. I found my computer running slower and rather in an unstable condition. The tartans are pretty. However, in their appearance, the top bar where I have Bookmarks located was rendered less easy to read. I don't mind that since I know the exact location of each marker. The actual problem for me was in the loading of everything coming in on line. My computer bogged down. I removed the skins and uninstalled the Firefox add-ons and my computer returned to fast again. Bummer for ME. I really liked the appearance. But the slowdown was not good. I'll try again later when I can give more time to the look and setup.