WOW - that is freaky! I just placed my LL Bean order for a backpack for my son for school with a free shipping code, and then clicked on the Budget board to surf a while!
Here is what worked for me. I did link through their site, and put the code in the promotions tab at the end.
http://www.retailmenot.com/view/llbean.com
It was the 3012422 code that worked - the first one listed.