A small but annoying problem.

I have recently uploaded my website to a free hosting site at t35.com. Everything looks fine when it is viewed remotely via a browser in the usual way - but one annoying problem. When I type the full domain name in my browser to view the site remotely the main index.htm page loads but the images sometimes fail to appear . If I use the full path to the index.htm file the page loads fine, including the images with no problems.

I have tried using full web paths to all the images, checked capitalization within the HTML document and I have also tried renaming the index.htm to index.html - all to no avail. I understand the server is using an apache web server and it should be looking to default to index.htm anyway. The page contains some java rollover features and I am wondering if this is the cause of the error or could it be a server side problem?

There is probably a small fix for this but I cannot find it. Any advice would help me enormously

Domain name - intermittent fault
default index.htm here - working

Thanks.