Dont use Photobucket, I tried, and it didnt work. I found a better place, Go to
www.tinypic.com.
All you do is sign up (Which is completely free and spam free) and all you do is, upload a picture, and it tells you the IMG Code, the URL, and other stuff. I used it to make pictures, I used it to upload this.

All you do is highlight the whole IMG Link, which is the second bar, which says on the top of it,
IMG Code for Forums & Message Boards
Copy that link, paste it in a forum, and you got the picture. Its way easier. and you dont even have to use the BBC Tag buttons.