I'm working on a .bhv editing tool right now that might help you add those animations to Skyrim (you don't need 3ds Max to add animations to Skyrim). For now I would suggest using Josh's Behavior File Patcher http://www.nexusmods.com/skyrim/mods/15906/? and FNIS http://www.nexusmods.com/skyrim/mods/11811/? . My tool I'm working on is here:http://www.nexusmods.com/skyrim/mods/44884/?.