This is certainly going to be another difficult contest to vote on, even for the first round. You have one vote to cast in each group. Please vote for the picture that best represents our theme, which is the color GREEN. 1. SpaceTiger 2. alex_caps 3. turbo-1 4. Andre 5. Janus 6. larkspur 7. ZapperZ https://www.physicsforums.com/showthread.php?t=161175" Zz.