Mary & Helen,
First, thanks for the help. I tried using the file resouce rather then the url. I uploaded my files (a group of files I use for the my e-book that is displayed using flash). I succesfully use the file rescourse to find the index.hmtl file in the folider. When I click on the file link in the classroom this is what I get:
I do have the flash player installed in the web browser (chrome). Not sure what to make of this.