Thank you!

I get what you mean and it's not really elitist. It's really difficult to find dedication, so it's fully understandable to want people you know or a smaller group.

Hah, it's not the same as actual sour/spoiled milk. There's no proper translation for it into English. It's a bit like yogurt, only not. Here's the wikipedia page for it: [url=http://en.wikipedia.org/wiki/Filmj%C3%B6lk]clicky[/url].