Hi OneMeanCat,
We aren't experiencing any technical problems that would account for this behavior, so there may be some aspect of your images, or soemthing specific to your account, that is causing this issue.
If you are still experiencing this problem, please file a support request using the appropriate link on our help page:
http://www.auctiva.com/free-auction-software-help/help.aspx, and our customer support team will be happy to assist you.
-Mike