Another Flajaxian.com tool is the adapter that you can use together with Flajaxian FileUploader, the tool is FREE and open. You can use it to enable file upload to a CS3 Amazon Service.
Flajaxian S3 Amazon Service Uploader is adapter for the Flajaxian FileUploader .NET web control designed for asynchronous file upload to an Amazon Service of multiple files at the same time, without a page post back and with a progress bar indicating the current upload progress. This control and adapter do not require full trust environment.
For download and documentation, please go to: http://www.codeplex.com/FlajaxianS3Upload
The web site is: http://www.Flajaxian.com
You can see a Wiki page here: http://flajaxian.com/flajaxian.com/docs/html/HowToUseAmazonUploader.htm
If you want to report a bug or issue you can do it here: http://www.codeplex.com/FlajaxianS3Upload/WorkItem/List.aspx
Please, for general questions use Codeplex page instead of my blog: http://www.codeplex.com/FlajaxianS3Upload/Thread/List.aspx