JungleDisk, if I understood it correctly, is a front end to Amazon S3 which allows you to map a drive and also utilize HTTP to manage files.
Also, check this tool out:
http://www.rjonna.com/ext/s3fox.phphttp://docs.amazonwebservices.com/AmazonS3/2006-03-01/index.html?VirtualHosting.htmlAlso Webdrive will support mapping to Amazon's S3, more here ->
http://3d2f.com/programs/5-416-webdrive-download.shtmlHope this helps!
LTxda