Shutterstock is still the highest money maker with almost $147. This site has been pretty consistent for the last few months - each time around the 140 dollar range.
Istockphoto was a little bit of a disappointment after a $70 and a $106 couple of months. This time around it dipped significantly to $60.
I'm hoping to add more christmas images, but once again, I don't know if I'll have time. Also - with it being this close to christmas, I might have missed my window of opportunity....maybe I should focus more on valentines day.