As this question has been answered and doesn’t require any kind of discussion, I’m closing this. Refer to this section of the FAQ for any further questions:
How is Featured work selected?
Level 3 members (see ‘What are Trust levels?’ below) collectively cast votes on a private topic. The ones that get over 70% approval are featured. Also, the winner of each Weekend Challenge gets their submitted work featured.
Contacting the moderators to get featured is generally not going to help you.