Due to the lack of clientaccesspolicy.xml, there appears to be problems with using Amazon S3 via Flex. Are there any work arounds?
Edit: Both of the
If you're looking for a working Rails - Flex - S3 example then have a look at this rails project: http://github.com/GreenAsJade/s3-swf-upload-plugin
Its documented and works out of the box. You can even reverse engineer the Flex logic.