I use a number of networks including number of ways to get links. It requires thorough research, understanding and application one which just say you were given it. There are people who prefer hiring a optimization expert and consultant to optimize their web pages. http://Abcclub.Cside.com/nagata/link4/link4.cgi?mode=cnt&hp=http%3a%2f%2fhp-Ad.Sub.jp%2Fnayami%2Fnayamibbs%2Findex.html&no=1027