swfdec-gnome is a very good Tool to play SWF files (Macromedia Flash) on GNOME. This package contains programs to integrate Flash functionality into the GNOME desktop. It's main application is swfdec-player, a stand-alone viewer for Flash files. It also contains swfdec-thumbnailer, a program that provides screenshots for files to display in the Nautilus file manager.
How to Install in Ubuntu
Open a Terminal
$ sudo apt-get install swfdec-gnome
or use Synaptic package manager
