Flv Player, SWF for Mac OS X macbook

To view flash flv or SWF files you can use Elmedia Player

Download Link:
http://www.apple.com/downloads/macosx/video/swfflvplayer.html

You can also try Wimply
http://www.wimpyplayer.com/products/wimpy_standalone_flv_player.html
This look a very simple and easy desktop tool to play video files...