I'm not advertising; however I would like to know how to increase the number of people who use my art/ engage with it. Do you guys show off all the assets, use specific elements to grab people's attention, etc. I would love to know what I'm doing wrong, thanks.

The best advice I can give is just be active in the community. Play people's games and rate/comment. Check the forums regularly. Join the discord and post links to your project in the game share channel