How many pictures does it take?

So, how many pictures does it take to get ONE good picture of four kids, you ask??? We have yet to figure out the answer to that because we have yet to get a good picture of all the kids together for a Christmas card. We went to my brother and sister-in-laws last weekend and tried to get some outside fall pictures but all we ended up with was wind-blown hair, grass stained knees and all of these random pictures that didn't turn out! Kids...