Welcome His_Wife,

If your seeking online videos, then Hogtied and it's new sister site Sex and Submission has some excellent scenes.

http://www.sexandsubmission.com/
http://www.hogtied.com/

Mobius started a thread awhile back:
http://www.bdsmlibrary.com/forums/showthread.php?t=2004
that may prove helpful in your quest.

To your success,

Ruby