Hi there: What about doing it like this:

<?php

$num = mysql_num_rows($result);
while($row = mysql_fetch_array($result)) {
                $image = $row['image'];
                }
//Loop through all images in DB:
                for($count = 0; $count < count($image); $count++) {
                        $display_this = $display_this . $image; 
                        } 
                        //end for-loop
                }
                //end-while loop

if($num != 0) {
//Images exist so display them:
echo $display_this;
}
else {
//Images don't exist so display blank inage:
echo "path/to/blank.gif;"
}
                        


?>

#-------------------------------------------------------#
                                
         "Believe nothing - consider everything"        
                                                        
  Russ Michell
  Anglia Polytechnic University Webteam
  http://gertrude.sipu.anglia.ac.uk/webteam
  [EMAIL PROTECTED]
  +44 (0)1223 363271 ext 2331
  
  www.theruss.com
                        
#-------------------------------------------------------#


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