If you have installed Macromedia Flash 8 in your mac, you will have an FLV video exporter into Final Cut's QuickTime conversion menu and then you are able to directly export Flash video(FLV files) from FCP. However, Flash 8 might not be the right option for you for its expensive or it can't assist you to export SWF file. Then you have a suitable choice, that is, FCP to Flash(FLV/SWF)
With FCP to FLV/SWF(Flash)
Step1. Export Video from Final Cut Pro
After editing video with FCP, Use File > Export > Quicktime Movie to export video from Final Cut Pro. And its exported video is in the MOV format.
Step2. Launch the FCP to Flash converter and add FCP movie
Double click its item to launch FCP to Flash converter and click "Add Video" button to import FCP movies.
Step3. Choose the output quality
Click the "Customize" button and in the "Profile" field, then according to your requirement, choose the output quality: F4V, High quality, Low quality, Normal quality or Custom.
Step4. Start FCP to Flash conversion
You just need to click the "Start" button and the FCP to Flash conversion will start automatically.
About Final Cut Pro
Final Cut Pro shorting for FCP, is a professional video editing software program developed by Apple Inc for mac users, which offers pro-level editing for people who had hit iMovie's ceiling and wanted more editing control and options. As part of the Final Cut Studio, Final Cut Pro allows video editing for highest-possible quality and mix frame sizes, frame rates and formats in the same Timeline in real time.
http://www.flashconverterformac.com/
