I wanted it very lightweight ans simple to use. For now, it's an alpha version.
In the set you can find:
You can build your skins using SWFMill with PNG now.
The project is hosted by google yet. You can see and download it from here.
You can find in the package, all the components and a TestComponents file, that contains an example running on Flash8 and Flash9.
You can see a documentation about FComponents here.
...Don't hesitate to send me your questions or suggestions...and bug reports of course !