Dear Honorable Sir,

Have a great day.

possible feedback on my design #28346914 would be much-appreciated .

I hope you'll love my concept.

Please don't be hesitate to ask for revision if you need any changes.
Looking forward to your valuable feedback.

Regards.

(In case if you don't like my concept, Just let me know I'll go with a different approach)

Hello,
I would like to thank you for your design submission. We have narrowed it down to 3 designs but unfortunately yours is not one of our choices. Thank you for your time, much appreciated! Take Care.

Dear Contest Holder, if there’s anything else I can do with any of my entries just let me know. All the best to your contest and always at your service, artespraticas