Dropbox Sync will allow you to sync images from your blog to Dropbox. All images will load from dropbox decreasing bandwidth and increase loading time
dropboxfolder to the
3.You will need to get a dropbox account to upload files to. If you already have one I reccomend creating one specifically for this plugin just because.
** Important ** You MUST have the plugin the the wp-content/plugins/dropbox directory NOT just wp-content/plugins or it will not work **
You can signup for dropbox here https://www.getdropbox.com/referrals/NTI0OTQ4Nzk