Try removing all the space between the img tags in the HTML.
Done it for you:
<a href=""><img src="../Home_files/NavLeftBlock.jpg" alt="" cellspacing="0" cellpadding="0" border="0" height="23" width="16"></a><a href="http://mydrivingtripcafe.com"><img alt="" src="../Home_files/btnHomeOn.jpg" cellspacing="0" cellpadding="0" border="0" height="23" width="79"></a><a href="http://mydrivingtripcafe.com/forum"><img src="../Home_files/btnForumoff.png" cellspacing="0" cellpadding="0" border="0" height="23" width="90"></a><a href="http://mydrivingtripcafe.com/articlems_12/index.php"><img alt="" src="../Home_files/btnInTheNews2off.png" border="0" height="23" width="139"></a><a href="http://mydrivingtripcafe.com/articlems_12/index.php"><img alt="" src="../Home_files/btnInTheNews2off.png" border="0" height="23" width="139"></a><a href="http://mydrivingtripcafe.com/WeatherReports/WeatherReports.htm"><img alt="" src="../Home_files/btnWeatherReportsOff.png" border="0" height="23" width="139"></a> <a href="http://mydrivingtripcafe.com/TravelBlog/TravelBlog.htm"><img alt="" src="../Home_files/btnTravelBlogoff.png" border="0" height="23" width="90"></a><a href="http://mydrivingtripcafe.com/ContactUs/default.aspx"><img alt="" src="../Home_files/btnContactUsoff.png" border="0" height="23" width="90"></a> <a href="http://mydrivingtripcafe.com/Feedback/default.aspx"><img alt="" src="../Home_files/btnFeedbackoff.png" border="0" height="23" width="90"></a> <img alt="" src="../Home_files/NavRightBlock.jpg" height="23" width="16">
Its been a while since I solved a bug like this but I think that is how you fix it. There is a possible fix with CSS if this doesn't work.