how to use RMovie

hello i'm new to rails,
actually working in Flex 3
i want to ask that how actually works RMovie to convert into flv on
rails which r i uploaded from flex.
  Video r uploaded successfully , but how to convert it and happen
related work(like snapshots,etc).
  thx you

have you tried RVideo ?

I love Flex now i am in my way to learn Flex 3 with ruby on rails, it's
really fun than RJS. I'm falling in love in flex.