nice crisp focus on the flowers, and they are well light, but I think the background could be better, black is not working for me, still an excelent shot.
Nice flowers. Could be better focused thruout (deeper aperture). Lighting also seems a little flat - it's not doing anything for your water droplets. I would have taken a more extreme angle and lighting approach with this fine subject. All JMO of course. Good luck in the challenge.