Help! My Avatar is hovering and not sitting like it should.

[Sakuradawn Lei]

I need help with moving the avastar avatar up and down so that the SL avatar ends up in the same position.  I understand that the COG bone moves the position of the avatar but I can only get it to rotate, any other type of movement like using the transformation manipulators: translate, moves the avastar avatar up and down, so the pose, say a sitting one, looks ok in blender but when I go to upload it to SL the SL avatar is hovering in the air, so my question and hopefully someone knows, is how do I get the cog bone to move the avastar avatar so that the SL avatar is doing the same pose.

 

(I put this in an old post but thought I might have better luck making a new topic)