Here are some useful links regarding Exercises:
Stack Magazine: http://magazine.stack.com/
Stack Magazine Videos: http://stacktv.stack.com/
Ladder Agility Drills: http://www.sport-fitness-advisor.com/ladder-agility-drills.html
Plyometric Drills: http://www.exrx.net/Lists/PowerExercises.html
Animated Plyometric Drills: http://www.sport-fitness-advisor.com/plyometricexercises.html
Elitefts.com Exercise Index: http://train.elitefts.net/
UW-Lacrosse Strength and Conditioning Dept.: Strength Training Videos: http://www.uwlax.edu/strengthcenter/videos/video%20main%20page.htm
Mayo Clinic on Strength Training: http://www.mayoclinic.com/health/strength-training/HQ01710