Photobucket Uploader is an extension for the Firefox browser ,with which we can directly upload images to your account on Photobucket,one of the most popular free image hosting site.
The process is actually very simple, all you have to do is download the add-on from here and after installing you need to enter your photobucket login details, once you done you can upload any image to your account.
It adds a link “Upload to Photobucket” to your right click context menu in Firefox, when you want to upload right click your mouse on any image and select upload to Photobucket, the image will be uploaded immediately.
But you will have to login or register as this is still an experimental addon.
Link: Photobucket uploader