have met Charlie only once, but I enjoy regularly gettig photos from him from all over the world. And he is my number one identifier of UFO's. Many, many thanks.
All of Charlie's photos on this website are available for use under the Creative Commons Attribution-Share Alike 3.0 license.
In brief, you may use these photos, and even modify them, as long as you give credit to Charlie Westerinen for the original photo.