Dont understand how to use the inverse kinematics properly in animation because it  messes up the animation. Example, when I IK the hands, I was able to place the hands on the xyz translation that I want but once I remove them, the hands bend or twist and the rest of the keyframes before and after the keyframe  become wiggly on the hands.

How exactly do you use IK on an animation?

And why is it there are gray boxes on the keyframe editor when I use the IK? What does that mean?

And what is colission detection under parameters>properties? How do you use it?

IK only works while it is on--it directs feet and hands to be in certain coordinates, and drags other body parts along with it, but it doesn't record new keyframes for the IKed part, so when you turn off the IK, it looks messed up. This is even worse when you have spline nodes since they flop all over the place. What you need to do is, once you have your animation how you want it (with IK on), you need to record a keyframe for each frame of each body part that moves. I have a script called "add_keyframes_to_non-zero_parameters_only.py" that Phil C (who is a Poser god, worship him, and buy his stuff, particularly Wardrobe Wizard--great app) sent me that does just that--ask him nicely for it and I'm sure he'll send it to you. Once you have it, just go into "run python script" and choose this python script. It adds keyframes to all the body parts, then you can turn off the IK and everything stays in place.

The other two questions I don't know the answer--maybe the manual will tell you.

have ik ON or OFF , dont change it . Ik makes the hand or foot the control for that limb, move it and the other body parts move as well. Youcan tweak the arm and leg positions a bit .

Collision will show what body parts or props are in contact , and can prevent penetration of one by the other. It slows things down a lot because of all the calculations it does , and doesnt work reliably in animations . 

There is a sectionon collision detection in the manual. Its a pdf manual in the poser program folder or you can open it from the Poser HELP menu .

Attached Link: http://www.youtube.com/watch?v=LvtJruKGpvg

Thanks for the info guys.

Without knowing this, it took me alot of hours correcting wiggles just to make this 22 sec animation.