I haven’t heard of TNX, but here’s a really simple one most haven’t thought of. Much like ugly girls tend to have better personalities pretty and clean sites tend to be harder to link build, or at least take more effort initially. So a little technique I’ve been using a lot lately is to build sites that gather links really easy. A quick easy way to do this is to build a site that distributes something people want to either put on their websites or social site profiles (ie. myspace, facebook, youtube and such). I’ll give you the most basic of examples. In a really old post on this blog I put up this picture: