Your work is clean and crisp. Simple is often the most beautiful and best sellers.
1: keep up with groups like this one! post your items!
2: Star your best items, these are most likely to show up on searches.
3: Go crazy with you item tags. from vague to specific. example for your items: print, ship, design, plaque, photo print, prints, home art, home, home goods, wall art, frame, ships, sailors, blue..
You can't go wrong with tags. Use as many as they allow.
I'll favorite some items for you. And that will help also. good luck!