These are resources on learning about scheme other than boring old text. Depending on the medium you may need a media player of some sort to decode them.
sicp-video-lectures These lectures are in Divx or MPEG format. (Note they are hundreds of megabytes large)
The Swine Before PERL (mp3), Slides in PDF or Powerpoint by Shriram Khrishnamurthi at The Lightweight Languages Workshop, November 17th 2001, MIT AI Lab Dynamic Languages Group.