The menu link fix to get them to stay at the top is fixed by correcting the html in the dndindex.html file to the one below. The general.html file is good on this one. What you will see out of place in the dndindex.html is the last line of code. It will be out side of the parent div.
This is what your header code should look like to get the double image to quit showing. This needs to be fixed in the general.html, and the dndindex.html. You will see that one of the pages doen't have the