5XC50FF
Picked this up through sxc.hu - istock owns them and puts their free images there - but if you want good searching for a huger range then istock is the way to go.
No finishing date, just 'For a limited time, get 5% off any credit pack. Just copy and paste the promo code and enter it in the "Promo Code" field in your cart when you check out.'
Credit pack regular prices:
12 CREDITS
$22.00
($1.83/credit)
30 CREDITS
$53.00
($1.77/credit)
60 CREDITS
$105.00
($1.75/credit)
150 CREDITS
$254.25
($1.70/credit)