dark soul model: help ragdoll

I’m working on the models. for now I managed to make some models of weapons but I want to make ragdoll of some monsters. after several attempts I could not but I came as I wanted.

http://cloud-4.steampowered.com/ugc/29593531691555869/796B0B968EDA4C5BD5351F68D1DEB605DBFB450F/

http://cloud-4.steampowered.com/ugc/29593531691624875/FEB7595C90CE62FD14CC991E1C688EE97DAA3E87/

this is what I would

http://cloud-4.steampowered.com/ugc/29593531691667865/00C0651BFB0DA9D0621AE654E11CC667D2FDF29A/

can you help?