Mike Swanson:

Finally! After months of tinkering around in my spare time, I've managed to assemble a relatively useful tool called SWF2XAML. The first version of this tool allows you to open a Flash/SWF file and advance through the frames one-by-one. When you've found a frame that you like, you can easily export it to a file or copy its XAML to the clipboard. Import or paste the XAML into your tool of choice, and off you go.

Read his post | The SWF2XAML page