Found some!

Feeling inspired by these hat patterns on Ravelry:
Butterfly Hat (crochet)
Bucket Hat (crochet)
Scotty's Hat (knit)
Blueberry Hat (crochet)
Peek-a-boo Flower Hat (crochet)
Lacy Rib Hat (knit)
Bayfront Cap (knit)
Jacques Cousteau Hat (knit)

These all have great stash busting potential!