ScreenToss integrates with Dropbox, an online backup service.
Dropbox can upload any kind of file.
The first time you attempt to upload a file or screen shot with Dropbox, you will be asked to authenticate using their website. You can manually authenticate (and unlink) your account in Preferences ▸ General.
To use Dropbox as your upload service at any time:
Select Preferences from the ScreenToss menu.
Click General settings if you’re not already there.
Select Dropbox from Upload files to.