Well Doug,
We are using teleclasses and the board also. Noticed that you have a post regarding a user not being able to access. I was able to reslove a similar problem once by taking all permissions away and then reasigning the read/write permissions again. One time I had to delete the user and re-add them (yuk). I now use phpMyAdmin to look at the permissions for a given user.
Good Luck.
Tommy