File:Sanfranciscobluesposter.jpg

2002 thumbnail of the official poster for the 30th Annual San Francisco Blues Festival.

Source: http://sfblues.com/merchandise/product_photo.php3

Fair use:

The image is used as the primary means of visual identification of the article topic.

It is a low resolution copy of the festival poster;

It does not limit the copyright owners rights to sell the poster in any way; and

The use of the image is very important and adds significantly to the article about San Francisco Blues Festival

This image is of a poster, and the copyright for it is most likely owned by either the publisher or the creator of the work depicted. It is believed that the use of scaled-down, low-resolution images of posters to provide critical commentary on the film, event, etc. in question or of the poster itself, not solely for illustration on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation, qualifies as fair use under the copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.

Fair use true