Here's my summoning build I will be using when I play with my friends, the goal is to use my summons as tanks so that my friends are free to focus on damage. The frogs having confuse built in will be great against large packs, and fierce loyalty puts a little bite into the pets tanking role.
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http://us.battle.net/d3/en/calculator/witch-doctor#YTbcVP!WZT!aaaYaY