Stuck thumbnails on MacBook Pro screen

Hi Brenden,

Thank you for the quick reply. The issue doesn't happen when using Safari, I had it open looking for solutions and used the screen shot as an example. The event happens randomly but does have something to do with moving pictures around. I typically use the desktop as a temporary storage place for photos. I may be moving them from Photos to another app like Messages or Mail or even something open in Safari. The last event happened when I had a thumb drive connected through a port extension. I had the thumb drive open using the Finder, then opened Photos and dragged a selection of about 20 photos all at once into the imports page. The files were transferred with no issues. after closing the finder two of the photo thumbnails were left on the screen. The rest of the thumbnails disappeared when the finder closed. Moving windows around to "cover" the errant thumbnails doesn't erase them. I also can't select them using the touch pad. They appear to be invisible to any actions but stay on top of all windows. I eventually ignored them and at some point they went away. I do not remember what I did to eliminate them. I will try to reproduce it and make better notes on how they go away.

Regards,

Charles Parham