Using Drops by Christian Kienle you can drop files or folders on the Drops icon in your menu bar, your files will be uploaded to your server and the URL copied to the clipboard. Drops can also automatically shorten the URL.
Features:
Drops uploads files and folders.
Drops can manage multiple FTP accounts.
Drops copies the web URLs automatically to the clipboard.
Drops is able to shorten the web URLs automatically using bit.ly.
You can tell Drops to automatically compress files and folders before uploading.
We are actively developing Drops, provide support and updates.
Requirements: Mac OS X 10.6 or later, 64-bit processor
Drops costs $0.99 on the app store.
More info: http://christian-kienle.de/Drops