Quick videos:
Skew Eye Deviation (When he uncovers the right eye it moves up)
Left Beat Nystagmus (It was very thoughtful of this young lady to share this video to help others learn)
Mastoid Vibration Test (scroll down and click Movie- Thanks to Dr. Hain for this information)
Right torsion upbeat nystagmus
Here is a nice summary of the four types of Vestibular Rehab-When and how to use them:
Vestibular Rehab Quick Reference
Oculomotor, Positional and Positioning Testing Key