If you want to use HDT for player model,

[Cloudyroach]

Follow the steps here

http://www.nexusmods.com/skyrim/mods/29827/?

 

and when you finish them, you must look for vanilla armor textures replacer, so you can see the jiggles on vanilla armors. I really recommend

http://www.nexusmods.com/skyrim/mods/25259/? or http://www.nexusmods.com/skyrim/mods/55438/?

 

I know this a really small thread, but I hope that this can help out the noobs like me out.