Hi!
I'm trying to create audio/video materials for go presentations and demonstrations, and maybe you know about some materials that I could use freely, under copyleft or public domain.
I mean go lessons, or videos about rules, history, etc, but also photos and 'artistic' videos, maybe with music or even without audio to capture attention and curiosity of people and bring them to go clubs to understand the game they saw in the video.

Thank you for evry reply
Sara

Have you tried looking at the list on Sensei's?

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a1h1 [1d]: You just need to curse the gods and defend.
Good Go = Shape.
Associação Portuguesa de Go

if you are not distributing, selling, or making money with the presentation I would say putting the source where you got it from in the presentation is enough for pretty much any online Go material you can find. pictures, problems, video you can freely access on the internet (youtube vids are fine, but I would for example not use material from Guo Juans internet Go school that are available only to those who pay for it. ect)

sensei's is a nice source. wikipedia also has a nice article with general info on the game.
an image search on google will probably deliver some nice (ancient) Go pictures.

edit: If you do plan on distributing, selling or making money with it there is still a lot of free material out there that is publicly available (senseis and wiki, ect) if you have doubts just contact the author/owner. I did so for some of the material that is on the CD I sell with my book. In general people are only to happy to find out that their material is going to be used.

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Laurens
Go school: freegame's Teaching School
Author of: The Next Move a book for 15-3kyu players.