Give me some advice

Before you submit, compare your best work with current Stock inventory. 

This is what you're competing with:

https://stock.adobe.com/search?k=moon+tree

Your work should be better than what Stock is selling now.

Customers expect commercial-ready assets for use in professional projects— print, digital and textile.

Rule of thumb: All assets must contain sufficient highlights, midtones and shadows, regardless of setting. 

Read your Contributor User Guide for more tips:

• https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
• https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html
• https://helpx.adobe.com/stock/contributor/user-guide.html/stock/contributor/help/photography-illustrations.ug.html
• https://helpx.adobe.com/stock/contributor/help/how-to-submit-distinct-content.html
• https://helpx.adobe.com/stock/contributor/help/vector-requirements.html
• https://helpx.adobe.com/stock/contributor/help/generative-ai-content.html
  
  

Hope that helps.

Far too dark. I can barely make out the rest of the tree.