I am not sure if I understand your question well - you are looking to get listed in yahoo? If so you need to build some backlinks to your site and their robot will find your site and add it automatically to the fulltext.

You could find the list of directories from google search, do it manually through the directories by searching specific categories like travel categories that seems more appropriate for your sites and enter the description, title, keywords and other information about your site and submit it.

You just did build links here in daniweb from your signature links