With both builds, the second Bloodthirster can be switched for a madred's if the enemy team has real tanks (lots of hp). Also with the jungling build, if you want to flank earlier than 6, get ignite on champ, helps alot. Also with the jungle build, you can't get both wits end and phantom dancer, so its your choice on which one to get, use the wits end if the enemy has some ap user's, just so you can survive a little longer. I am finding the jungle tank a really good build atm, the madreds and all the sustain that is already on as ww is very strong, no need for atk speeds as his w is enough, at the end though its your choice on force of nature or maw of malmortus, i reccoment the Maw if your doing fine with their current ap characters and want to do more dmg, force is if you're really struggling but it doesn't do that much better than the maw tbh. if for some reason you're up against a full ad with no ap team, just get another warmogs if you really want, maybe something else, up to you really.