Rick, please give this a try now - I've made changes to the attachment file size allowed and also the sizes allowed which should sort your current issue but let me know!
Rick, was this in a thread or in the classifieds area? Next time you try and it fails, look at the top of your browser and copy the URL of the page for me please and simply reply back so I know where exactly, you're running into this issue.
Thanks for coordinating with me, I appreciate the assist .