Wappwolf Automator is a very cool app that connects your Facebook, Evernote, Flickr and other web services and apps to your Dropbox account, and also to your Google Drive account. They are also working on versions for Skydrive and Box.
Wappwolf Automator allows you to automate file processing using your Dropbox or Google Drive account. You can drag and drop files into a special folder and have them automatically converted and synced to other services.
It can convert files to different formats, resize images and upload them to Facebook/Flikr/Picasa/Google+, GDocs upload, convert audio files and many more:
It's very easy to use and there is a great help section, with step-by-step instructions and videos.
This is a great way to save yourself time and effort to do some of these things and can help students and teachers become more efficient and save time.
Try it out. http://wappwolf.com/dropboxautomator
Google Drive - free online file storage integrated with Google Docs