Copyright Infringement: Nunu Assumes My Painting is Public Domain

UPDATE: 5/23/2013
IMAGE REMOVED
Thank You Nunu for your courteous response and quick action. 

If you are new site owner perhaps you could save yourself a headache in the future by making sure images are reduced to thumbnails, crediting the artist, linking to their website and NOT putting your logo onto their images.
By having my image  up on your site you made it possible for to assume it was