This was really good. Challenging, but good.
Here are some tutorials I found to help with the exercises.
Box Jumps (I use a step and make it about 4 levels high) http://www.youtube.com/watch?v=Wc65Gdd2Omg
Tricep Push Ups (On toes) http://www.youtube.com/watch?v=CEgzumrUC_E
Box Lunges http://www.youtube.com/watch?v=075hpobBsfU
Ski Jumps http://www.youtube.com/watch?v=XnZtEoYNs1A
Repeaters http://www.youtube.com/watch?v=HnSzwCMXTSg
Oblique Crunch http://www.youtube.com/watch?v=QxaKQG-gmPY
Iron Cross http://www.youtube.com/watch?v=jiVbKEkWbI8
