Hello BFS
I like reading the information provided by APOD regarding the wallpapers. Because these wallpapers change a lot in color or intensity, it's quite difficult to find an optimal text color - outline color combination that works well for all images.
Therefore I think, the option to add a background to the Info text shown on wallpapers would greatly increase its readability.
The background might have the form a simple rectangle, or even with rounded edges, and should adapt to the size of the text.
All forms of backgrounds are imaginable: solid colors with transparency, gradients, patterns, blurring the real background wallpaper or even other images (color or blurring being my preferred ones).
Keep up your great work!