Dawn Inskip has an AMAZING pack of Overlays "CLEARLY CREATIVE {Set 1} and it's available here in her shop at Pickleberrypop!

Also by Dawn Inskip:

HEARTS & FLOWERS (hearts)
PUPPY LOVE (paper)
BALANCE IS BEAUTIFUL (paint strokes)
CARTOON CAPERS (Stick Figures)
EXPRESSIONS-LIFE (word art)