Week #3’s champion Guest Curator is: Russian artist and Shutterstock contributor, Maria Galybina. Check out her Polar Opposites lightbox.

Mike McDonald also earned an honorable mention with his lightbox.

Now it’s your turn! This week’s theme is: DYNAMIC DUOS. Submit your lightbox via Twitter, Facebook or email by Saturday at 11:59 PM (EST) and win a custom Shutterstock iPad bag and a 1-month subscription. Get more details here.