Can you feel it? There’s anticipation in the air at Shutterstock. We’re approaching our 15,000,000th image in our collection, and that means we have 15 Million reasons to celebrate!

In honor of this momentous occasion, we’re giving away 150 sets of exclusive commemorative Shutterstock designer pins. Each limited-edition set includes 6 stylish pins. The only way to get ‘em is to win ‘em!

So as we hit this monumental milestone, we want everyone to remember that it’s each individual image that makes Shutterstock what it is—and it’s made us the #1 site worldwide for stock image downloads.

Good luck and get ready to celebrate 15 million images!

Here’s how to enter:

1. Keep an eye on the image counter at the top of www.shutterstock.com.
2. Wait for it to pass 15,000,000.
3. As soon as it does, send an e-mail to 15million@shutterstock.com with your name and mailing address.
4. On or about Friday, April 29, we’ll conduct a random drawing off all the entries we’ve received, and mail a set of pins to each of the 150 winners.

You may only enter once. There is no purchase necessary. Please see the official rules below.

Official Rules

Promotion begins immediately upon the Image ticker found on Shutterstock.com surpassing 15 million and ends at 11:59 PM EDT on 4/29/2011. 150 prize winners will receive a set of six (6) commemorative Shutterstock pins (no established resale value). Prizes will be distributed within 30 days of the end of the promotion. No purchase necessary; a purchase will not increase an entrant’s chance of winning. To enter, send an email to 15million@shutterstock.com or mail a 3 1/2″ x 5″ postcard to Shutterstock Images LLC, Attn: 15MM Image Promotion, 60 Broad Street, 30th Floor, New York, NY 10004. Postcard must be postmarked no earlier than the start of the contest and no later than 4/29/2011. Include your full name, email address and shipping address. Winners will be randomly selected and notified by email. Eligible electronic entries will be considered made by authorized account owner of the email address submitted at the time of entry. Every email and postcard entry received will equal one promotion entry. One promotion entry per participant. Odds of winning are dependent on the number of valid entries. Winners will complete an affidavit of eligibility if requested. Must be 18 or older to enter. Shutterstock Images LLC employees not eligible. Void Where Prohibited.