There are some websites, which offer istockphoto coupon codes for new users of the site. When a new user creates an account with the site, the user can get a promo code of 20% off on the first purchase. If you are lucky, you can get a promo code of 30% off with your first purchase. It should be understood that iStockphoto promo codes would only work for you if you purchase credit packs. Currently, users have until 31st August 2015 to get the 20% off coupon code. Although this code will expire within this period, the advantage is that there is the 15% off coupon code, which ends in September. The 15% off promo code is ideal and will come at the right time for all those that want to tackle summer projects.