All of my images are Creative Commons, Non-Commercial... So feel free to use my images for your non-profit, on your blog, for fun and the like, but you must link to www.ethancrowley.com and give credit to Ethan Crowley.
For commercial use, please email me: ethanjdcrowley at gmail.com. I'm not a professional photographer, so there's a good chance I'll give permission in exchange for a link....