I am certain the format of Photobucket has changed significantly since I last used it successfully two years ago.
Aint that the truth! It was a small program that worked perfectly, though the folders were a tad difficult. Now it has a colourful front end with a mind-bogglingly daft folder system. I just can't see what the software writers are getting at. Nice little thumbnails, but most of them are not there until you load the full shebang. Even then, they seem to be so far removed from conventional file handling that I'm tempted to try the alternative program mentioned.
Click on 'IMG code' link and it will automatically be copied to your clipboard.
This it does do, but you have to look intently at a faint bubble that appears for less than a second. It says, or should say, 'Copied.'
Sometimes I have to hit it three times to get a reaction to the left click.