You use iStockphoto.com:

Question

206 votes

Answer 1

as a Buyer

14% / 28 votes

Answer 2

as an Artist

23% / 48 votes

Answer 3

both as Buyer and Artist

13% / 26 votes

Answer 4

don't use it yet but think to start

15% / 31 votes

Answer 5

don't use as i don't need it

35% / 73 votes

Anouchka