Advanced HTML Formatting

Does anyone know anything about the advanced HTML formatting, such as <img> tags? I was reading the Referenec and it mentioned that every image is created as a child movieclip of the text area, and you can give it an id to control it via actionscript. I am trying this but it dosen’t appear to be working. Has anybody had any amount of experience with this previously? I am wondering mainly about placement of images, cause left and right sides dosen’t leave much to the imagination.