Make your own in a crock pot. So easy, and you can completely control the amount of fat and sugar in it.
http://www.thesimpledollar.com/making-homemade-yogurt/
Been making my own yogurt for more than 30 years....using a similar method such a yours.
Icelandic yogurt is more like a soft cheese.
http://www.food.com/recipe/making-skyr-yogurt-420633