Apparently the Article in Bangkok post was not enough to stop the Child Porn in Bangkok. The street vendors are still selling porn and underage porn to undercover people. They show the people underage movies in front of the camera. The police has off course seen the movie on the internet but the vendors are still there and is still selling. See the full story on Personal Thailand Forum.
http://www.personalthailand.com/threads/2755-Child-Porn-Still-sold-on-the-Streets-of-Bangkok