We just release a new version of Bucket Explorer.  Bucket Explorer now  supports creating CloudFront distributions for Streaming.

More details on how to create streaming distributions can be found here:
http://www.bucketexplorer.com/documentation/cloudfront–how-to-create-streaming-distribution.html

We have also added support for drag & drop in this release. The new release can be downloaded from our download page:
http://www.bucketexplorer.com/be-download.html

Saurabh