Hi Peggy,
The issue of users being rerouted to the Auctiva homepage when navigating the site is a known issue that our engineering department is currently investigating. We're certainly sorry for any inconveniences caused by this issue.
Fof further assistance with your image uploading issue, I recommend filing a support case using the appropriate link on our help page:
http://www.auctiva.com/free_auction_software_help/help.aspx
-Mike