I'll take a picture later and post it. You can see on the bolters that I replaced the post they would normally glue onto with a plastic tube. I cut a pin that is glued to the site that drops down through the mount and tube to hold it in place.
Actually, I found that I had written an article on this over a year ago:
http://www.kan.org/michael/mkp/sm_landraider_sponsons.php
That's how long this land raider has been sitting on my 'to-do' list.