Sunday, Sunday

Did you get the connection?  If not, maybe this selection will give you the clue:

 

Sunday Afternoon by Christopher Woods from Moonbird

 

Lazy Sunday Afternoon from Mariastales

Sunday Drivers Blank Notecard from ericapaolo

 

Sunday Sun from LJAPhotography

And the link?  Why - 'Sunday'.  The previous selection all had Sunday in their description.........