Sunflower watercolor painting - Joanne Boon Thomas. This has her paintings pictures and then tutorials. I love her loose painting.
In and Out of The Studio: watercolor
Abstract Modern Sunflower Painting by The New Monet - Giclee Print at Art.com
Floral/Still Life - Sunflower by Annelein Beukenkamp Watercolors
Sunflowers Watercolor Card. $3.50, via Etsy.