Official Rules: *Promotion begins at 12:00 AM EDT on 01/03/2012 and ends at 11:59 PM EDT on 02/15/2012. One grand prize winner will receive a Lytro Camera; the 2nd prize winner will receive 250 Bigstock Credits (valued at $339). Winners will be notified within 30 days of the end of the promotion and prizes will be distributed within 90 days of the end of the promotion. Must be 18 or older and a resident of the United States to enter. Winners will complete an affidavit of eligibility if requested. No purchase necessary; a purchase will not increase an entrant's chance of winning. To enter without purchase, mail a 3 1/2" x 5" postcard with your full name, email address and postal address to Bigstock, Attn: 10 Million Images Bigstock Sweepstakes, 60 Broad Street, 30th Floor, New York, NY 10004. Postcards must be received by 02/15/2012. Winner will be randomly selected and notification will be sent to the email address associated with the winning account or provided on the winner's entry postcard, as applicable. In the event of a dispute, eligible electronic entries will be considered made by authorized account owner of the email address submitted at the time of entry. Every Bigstock image downloaded and postcard entry received will equal one promotion entry. There are no limits on the number of times you may enter. Odds of winning are dependent on the number of valid entries. Bigstock and Shutterstock Imagers LLC employees not eligible. Void where prohibited.