Fireuploader (Firefox) allows you to upload/download files from any Web site using a friendly interface. In this version, Box.net (1GB of free space), Flickr (photo viewing/sharing), Picasa (photo viewing/sharing), Youtube(Vidoes) are supported. You can upload videos to Youtube, upload/download/organize photos to Picasa, Flickr and Box.net. Next versions would support other Web sites like Google Videos, Smugmug. The benefits of using this extension areIt shows the local folders and remote folders which enables you to upload files by single click. You can upload any number of files at a time. You can upload files to multiple websites using a single interface (using only one extension).
Ability to add multiple accounts and upload files to each account independently. Site specific features are also included and will be improved in the coming versions. eg. Box.net giving public/private access to files. This version is the first release on CNET Download.com.