How are your tomato plants?

Tomato Blight has been especially prevalent this summer season here in south eastern PA. Is this what you are seeing in your garden:

Not sure what it is or what to do?

A fellow Master Gardner, Steven Johnson, created an excellent chart summarizing 3 different tomato diseases: Early and Late Blight and Septoria Leaf Spot, including how to identify them. He also offers helpful organic and chemical treatments:
http://extension.psu.edu/plants/gardening/news/2015/early-and-late-tomato-blights-and-leaf-spot