In photo bucket, click the picture. Click the last link listed in the right hand side (can't remember what it says. I think image code).
Come back here and click the little mountain picture in the post box on the top.
Copy the photobucket link in there and hit okay. Removed the from the beginning and the end of the post. I don't know why it double posts that.
Click preview post to verify how it will look when you post. If all looks good, post it.