squidoo help needed

Abt a month back i read a thread here about adding ur website link to others squidoo like there is a option to add ur link something in a plexo i guess and in that thread there was a site (a search engine) from which u can find the squidoo's of ur related niche which have the option of adding links .. can some one please share it again cuz i cant find that thread now :S may be its deleted