I get these results from these top Page ranked Forums that I Search for with those Keywords. I then Insert my link pointing back to the Drop Down Menu Generator page, Not only do I have a link that I inserted I also have a link back to my main page as my Signature link.
Use this correlating Linking method to create relevant backlinks that point to each page of your site. make sure you know what you are talking about and don't spam the forums or you will be banned and you will lose that high PageRank backlink.
Here is a list of some High PageRanking forums you can sign up to and create some great backlinks.