CoSolvent Flash Player and Pro version: h**p://www.cosolvent.biz Key features: * Plays several file types: progressive and streaming flv and swf (pro version) interchangeably * Assembles a list of movies of any supported type into a seamless video in the client's browser - a virtually integrated movie with a single tracker bar, not just a playlist. * supports mark in and mark out on individual movie components * Configurable in javascript - potentially, you could program customized movies that differ dynamically with every page load * more ... Free version for non-commercial use. We developed it and have been using it internally for about 2 years. We are now making it available to others.
VLC media player is a good flv player. It's highly portable multimedia player for various audio and video formats.
install a newest codecs and use media player classics. with using media player classics, you can play almost all of video support.