Rated 5 out of 5 stars

le Hjortholm ar Márta 1, 2009 · buan-nasc

works perfectly, easy setup, zero learning curve if you ever done FTP. Supports everything you need for your normal FTP usage. Adding FireFTP to your toolbar and your FTP are only one click away all the time.

If you need to script your upload - you might want to add WinSCP to your toolkit also
http://winscp.net/eng/index.php