Whenever you are participating in any contest, use the #contests tag and your posts will be featured in https://hivelist.org, which will give your posts extra eyeballs and you will be entitled to earn LIST tokens as well.
Likewise, since your artworks are DIY creation, you can use #diy tag, and your posts will be featured in https://www.build-it.io, which will give your posts extra eyeballs and you will be entitled to earn BUIDL tokens as well.
Check out this post for more information about BUIDL tokens.
Thank you for the tips!