Iks need some help

ok where to start i know about rvks but really need to learn how to use and set up ik solvers any hints tips and or tutorials will be great they seem so cool yet so hard to set up

thanks

reaper

For 2.37a:

http://www.blender3d.org/documentation/htmlI/x7613.html

For 2.4:

http://mediawiki.blender.org/index.php/Release_Notes/Inverse_Kinematics

http://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/Advanced_Tutorials/Advanced_Animation/Guided_tour/Const/ik

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thanks ill take a look