New Falling Rules:

Straight fall:
1d4 damage for each 3 meters the character falls.
Roll vs Acrobatics skill to avoid any possible damage.
If the character takes 25% or more of their BP they suffer a Blunt Critical Hit
(if you are using the critical hit tables in your campaign).

Falling at speeds (such as off a moving vehicle):
+1d4 damage for each 10 mph (in addition to any damage from height)

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Example 1:
Fredd the Python jumps off a moving jeep (1 meter high) which is moving at 60 mph.
Fredd will take 0d4 (none) damage from height and 6d4 damage from speed.

Example 2:
Joe the Human is thrown off a 5 story (about 5 meters per story, 5 x 5 = 25 meters) building
by Fredd the Ram Python.  Joe is thus falling 25 meters at 0 mph.
Joe will take 8d4 damage from height and 0d4 (none) damage from speed.

Example 3:
James the Orion jumps off his skimmer - which was just hit by multiple weapons.
The skimmer was flying at 13 meters up and at 100 mph.
James will take 4d4 damage from height, plus 10d4 damage from speed, thus taking
a total of 14d4 damage, can you say FUBAR?
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Modifiers:
1.  Low Gravity:  This will reduce damage by an equal amount of the Gs.  So for Mars
     which is 0.38 Gs, just roll up the normal damage, then multiply it by 0.38.  Thus if
     a character will normally take 10 BP damage from a fall, on Mars they will take
     0.38 (round normally, thus to 4).

2.  High Gravity:  Same as low gravity - take the normal damage and multiply by the Gs
     of the planet.  So if a character is on a 1.5 G planet, falls and rolls up 10 BP damage,
     multiply that times 1.5 (10 x 1.5 = 15 BP).

3.  High wind speeds:  If the wind is coming from behind the character, or is coming
     from either side add 1d4 damage for every 30 mph of the wind speed.  If the wind
     is coming AT the character (who is falling at speeds) it will be cushioning the PC,
     thus reduce the actual speed the character is moving by 1/2 the wind speed. (Thus
     if James the Orion is 13 meters up and is moving at 100 mph when he falls, he will
     take 4d4 for height, plus 10d4 for speed, (4 + 10 = 14d4 total).  
     A.  If there is a 40 mph wind coming from the side when James falls, he will take an 
          additional 1d4 damage.
     B.  If there is a 40 mph wind coming from behind - thus speeding James up a bit, he
          will take an additional 1d4 damage.
     C.  If there is a 40 mph wind coming from ahead of James, he will be slowed, thus
          the 100 mph from the fall will be reduced by 1/2 the wind speed 
          (100 - [40/2 = 20] = 80 mph.  Thus he will take 4d4 from the 13 meter height and
          8d4 from the 80mph, for a total of (4 + 8 = 12d4 damage).

Any questions?
Modifiers to add on?
Anything else?

Cyr Kithra
ThunderStrike (http://www.netnet.net/users/cyrkithr/)