Here are some instructions from Moderator2. Hopefully this will help to alleviate some of the problems with using Photobucket.

Originally Posted By: Moderator2
When viewing the thumbnail of the pic you want to post, click on "share" just above that pic. This will open a new window with tabs at top. Click on the tab "Get Link Codes." There you should find codes for both "Full Size" or "Clickable Thumbnails." Cut and paste URLs as before. I hope this helps.
Rhea Dean