You can always make use of multiple print statements.

#! /usr/bin/perl
use CGI; #presumably

...

print table( {-width=>"90%", -align=>"center", -style=>"border: ridge 
lightgreen; color: yellow; font-size: 18", -background=>"../data/image
+s/blue.jpg"};

foreach(@files) {
      print Tr( td( {-align=>'center'}, font( {-size=>5, -color=>'whit
+e'}, b( $file )))));

      print Tr( {-align=>'center'}, td( submit( $file )))));
   }
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