For my own reference

Knee anatomy tour
http://www.youtube.com/watch?v=_StElDL5A64&feature=related

Special tests:

Anterior cruciate ligament
1. Anterior drawer's test
2. Pivot shift test - extended, valgus, internal rotate and FLEX in for pop
http://www.youtube.com/watch?v=ILMWpup_6Hs&feature=related
3. Lachmann's test
http://www.youtube.com/watch?v=5_zUEzew9Rk&feature=related
http://www.youtube.com/watch?v=ILMWpup_6Hs&feature=related

Posterior cruciate ligament
Posterior drawer's test
http://www.youtube.com/watch?v=28mJFyHMXHo&feature=related

Medial collateral ligament - Valgus stress test
How to do it: http://www.youtube.com/watch?v=j_Ke0bmsJXE&feature=related
Positive test: http://www.youtube.com/watch?v=_fxKCDkOiJs&NR=1

Lateral collateral ligament - Varus stress test
How to do it: http://www.youtube.com/watch?v=kZm5VEHKMPQ&NR=1
Positive test: http://www.youtube.com/watch?v=nsvfjkAMvpo&NR=1

Meniscus - McMurray's test
Medical meniscus - full flex, external foot, valgus knee
Lateral meniscus - full flex, internal foot, varus knee
http://www.youtube.com/watch?v=IwBW-X4n1fU&NR=1