How can I use a custom background art, and have the game art show up?

I am experiencing a similar problem but it doesn't only affect when I try to set Achievement art as the background. I have the same issue with screenshots as well. In addition to that, if I have a plain colour background, game art only shows up in the
background sometimes - not all the time.

I know, the problem is not only the transparency, not can customize anything. even using a custom or achievement art pictures or screenshots. Nothing changes, already tried to change the background and the color ...

and thanks for attention

Thanks for replying. When I go to "Settings > General > Personalization > My background", and then put in my passcode, the screen is grey. I can view images in capture, but I have not found a way to view the current background. There is a list of 5 options: Solid Colors, Custom Image, Dynamic Backgrounds, Show selected game art, and Restore Default Background. Is there something I am missing?

Would be cool if Microsoft allowed us too use the achievement art as desktop background art.

I'm also having this issue. First it started with some games showing the generic xbox live covert art with green swirl while other games' art loads up fine. Clearing the system cache may it somewhat worse as now instead of the generic cover art, I get
the missing art icon on some games but not others. Also after clearing system cache, the missing cover art is on different games than before where as it used to have cover art. I don't think its related to delisted games because the games showing missing
cover art are still being sold such as ducktales:remastered and castle crashers.