Improve your search engine ranking with directories

I'm really trying to improve my page rank, and have been unsuccesful so far, any tips on improving it would be great. should I pay the money and get on yahoo?

Originally Posted by rob

http://www.earthstation9.com
http://www.smartlinks.org
http://www.josh.nu/
http://www.re-quest.net/
http://www.websavvy.cc/
http://www.qango.com/
http://www.directoryarchives.com/
http://www.geniusfind.com/
http://www.seekon.com/
http://www.turnpike.net/directory.phtml
http://www.blakkat.com/
http://www.gimpsy.com/
http://www.webworldindex.com/
http://www.wowdirectory.com/
http://www.yeandi.com/
http://www.worldwidewub.org/
http://www.thedirectorysite.com/
http://www.webworldindex.com/

Some of these links are crappy pay sites! They make me wonder about the OP's intentions.