The website Mark is using utilizes JavaScript and appears the forum software (VBulletin) is unable to PARSE javascript links...thus this is why Mark may be having a hard time.

You need the exact image path:

i22.photobucket.com/albums/b307/marcsheldon/DSC04558.jpg

V.S.

photobucket.com/albums/b307/marcsheldon/?action=view&current=DSC04558.jpg