Where are people getting the ';emo/scene'; clothes and makeup on the Sims Games.?

I keep seeing videos on youtube about the Sims. They show really cool emo and scene clothes and make up. I have a bunch of the games but there's nothing like what I'm seeing on you tube.Where are people getting the ';emo/scene'; clothes and makeup on the Sims Games.?
It's custom content- things that people make, a completely new design, or sometimes a recolor.You can download these from http://www.modthesims2.com %26lt; this is generally the most popular site.


http://www.pimp-my-sims.com


http://www.lianasims.com


http://www.xmsims.com