The fundamentals for the Hammer and Weight throws are very similar:  Push from the right side, an active left side and reduction of time spent in single support.   A good article from coachthethrows.com called "The Left Side in the Hammer Throw" can be read HERE.

The following are videos on technique and training we have found useful.

Rande's Video Blog Series:

(One-hand release is explained in video above - View more videos in links below)

Weight - Adding Turns
Hammer - Posture & Knee Drive
Hammer - Drills
Hammer - Review of Koji
Hammer - Review of Tikhon
Hammer - Review of Litvinov