Legal: The usual unpleasantries apply:

All images and text copyright Vytautas A. Malesh and all that business, but if you're using something for non-commercial purposes I'm very unlikely to come after you - fair use and all that. If I do have a problem with your use, I'll try to settle it in a civil fashion before I resort to civil action. Long story short, look up "fair use" and abide by it.