Hold your cursor over an image in your photobucket album. I list of options should drop down. Click on the IMG code box. It should briefly show "copied". Then create your post here and when you want to put up the picture right click and select paste. Your picture will appear in your post, but it is not uploaded to this site. Instead it is hosted on photobucket, and the IMG code is really opening another page within your post.
I can't be sure this works on here. I have not posted pictures to this site, but that is how it works on many forums.
I guess I'll give it a try.
Yup, it works>
Kirk