Listed below are links to websites offering challenges or great inspiration prompts.
SUNDAY = Sunday Sketches
SUNDAY = Postcard Art
MONDAY = Think Monday Think ATC
MONDAY = Creative Every Day
MONDAY = Zentangles
TUESDAY = Creative Tuesday
TUESDAY = Crazy Amigo
WEDSNESDAY = Whimsical Wednesday
WEDSNESDAY = The Three Muses
THURSDAY = Theme Thursday
FRIDAY = Illustration Friday
FRIDAY = Drawing Lab
DAILY = Flying Spark
MONTHLY = My Artistic Life
MONTHLY = The Sketchbook Challenge
MONTHLY = EBSQart Shows
