My best seller still is Shutterstock. I get regular, monthly payouts now from:
(in order from most profitable, to least)
SS - by a landslide. This site makes me 30-40% of my total sales.
FT,
SXP,
DT, (almost, more like $70-80/mo)
BS,
123 is making me about $25 a month
CS makes me like $10 a month
FT is slow for me, makes me probably $5 a month
I still am waiting on my first payouts from these three sites.
iStock won't even accept anything I submit to them. I've got one pic up there. Nevertheless, I keep on trying