slavo why not to use Stan's Brakhage ones. he got some nice ones. like this for example.
Dog Star (1:14:45) - no sound
https://www.youtube.com/watch?v=NAoTHILzheo
or
Anticipation Of The Night (40:32) - no sound
https://www.youtube.com/watch?v=CV7tNfkD8EA
I don't know, what is the story with copyright when you get originals. can you screen them publicly (ah feck it, no one is going to find out :-)