What's the problem with this images?

Too small & pixelated.  We can't tell much from these thumbnails. 

1. Too dark. 

2. Too blurry (what is it?). 

3. Too dark.

Adobe Stock customers expect the highest visual and technical quality for use in commercial projects.  Read these links.

• 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/how-to/tips-stock-image-acceptance.html

The photos are too small for us to evaluate. Please post the originals.

The first is too dark and appears to have artifacts.

The second is out of focus.

The third is too dark.