I recently had trouble with DeskScapes images downloaded from WinCustomize not showing up in DeskScapes ver. 11.
If I downloaded the image from WinCustomize and then placed in the folder "C:\Users\"UserName"\AppData\Local\Stardock\DownloadedDreams," it would not show up in DeskScapes.
If I downloaded the image from within DeskScapes, and then tried to "Apply background," I got the following message.
"Unable to load this background.
Typically it means it is using a codec you do not have a decoder for such as MPEG2.
Click here to learn more."
I wasn't sure what was going on, and then I discovered these images had the file extension .jpeg. If I renamed the image with the .jpg extension, then everything worked as expected.