I have the developer version of flash media server set up. I also have a flash
video file with the name p1f1.flv. What do I have to do to view this video
(streamed) in a browser? Can't find a cookbook or tutorial explaining this.

You can't connect to FMS directly from the browser. You need a flash movie
(.swf) to make the connection and play the video. It's in the docs.

FLV files go in the streams directory of your application (also in the docs).