1) Skipping - jog back
2) Strides - walk back
3) High Skipping - jog back
4) Strides - walk back
5) Long Skipping same leg - walk back
6) Flat Foot Marching - walk back
7) High Knees - walk back
8) Bounding - long jump - walk back
9) Foot Shuffles - jog back
10) Butt Kicks - jog back
11) Carioca (Grapevine) - switch sides after 20m
12) Skip Kicks (straight leg) - not for tight hamstring.
13) Back Running.
Link to the video :
http://blip.tv/running-times/mastering-technique-drills-2599505