diff --git a/scripts/construcTEr.pl b/scripts/construcTEr.pl
index 868b5d2..8865895 100755
--- a/scripts/construcTEr.pl
+++ b/scripts/construcTEr.pl
@@ -8,6 +8,7 @@
 my $working_dir     = shift;
 my $regex_file      = shift;
 my $insert_pos_file = shift;
+my $blat_dir = shift;
 my %seqs;
 
 ##get the regelar expression patterns for mates and for the TE
@@ -40,9 +41,12 @@
   }
 }
 my %seq_storage;
-my @blat_files = <$working_dir/blat_output/*blatout>;
+if (!defined $blat_dir){
+  $blat_dir = "$working_dir/blat_output";
+}
+my @blat_files = <$blat_dir/*blatout>;
 if (scalar @blat_files == 0 ){
-  die "Can't find blatout files in $working_dir/blat_output/*blatout\n";
+  die "Can't find blatout files in $blat_dir\n";
 } 
 foreach my $blat_file (@blat_files) {
   next if $blat_file =~ /unpaired/i;
@@ -88,19 +92,13 @@
     my $id          = $qName;
     my $aln_bp      = $matches + $qBaseInsert + $mismatches;
     
-   ## throw out if gap is too big 
-   if ($qBaseInsert > 5 or $tBaseInsert > 5){
+    ### want to find hits to the TE
+    ## throw out if gap is too big 
+    if ($qBaseInsert > 5 or $tBaseInsert > 5){
       next;
     }
-    
-    #### if the hit does not overlap the edge of the TE and not most of the read is not aligning
-    #### throw it out
-    next if  (( $tStart > 1 and $tEnd < $tLen ) and ($aln_bp < ( $qLen * .98 ) )); 
-
-    #### if the hit does overlap the edge of the TE and the query match count doesnot just about equal the target match length 
-    ### throw if out
-    next if ( (( $tStart == 1 or $tEnd == $tLen ) and ( ($aln_bp) < ( $tEnd - $tStart + 1 + $tBaseInsert - 5)) or ($aln_bp) > ( $tEnd - $tStart + 1 + $tBaseInsert + 5)) ); 
-
+    ## if 50% or more of the read matches to the TE, keep it
+    next unless ($matches + $mismatches) >= $qLen*.50 ;
     my $add = 0;
     if ( exists $seqs{$te}{$id}{$te_mate}{blat_hit}{matches} ) {
       my $stored_matches = $seqs{$te}{$id}{$te_mate}{blat_hit}{matches};
@@ -120,7 +118,10 @@
       ##doesnt exist so add it
       $add = 1;
     }
-    if ($add) {
+
+
+
+    if ($add){
       $seqs{$te}{$id}{$te_mate}{blat_hit}{qlen}        = $qLen;
       $seqs{$te}{$id}{$te_mate}{blat_hit}{qBaseInsert} = $qBaseInsert;
       $seqs{$te}{$id}{$te_mate}{blat_hit}{tBaseInsert} = $tBaseInsert;
@@ -138,13 +139,12 @@
     }
   }
 }
+
+## retrieve seq and pair of any read that matches to the TE
 foreach my $te (keys %seq_storage){
   foreach my $mate_fa ( keys %{$seq_storage{$te}} ) {
     my @mate_fa_path = split '/' , $mate_fa;
     my $file_name = pop @mate_fa_path;
-    ##my $fa_out_dir = "$working_dir/construcTEr_collected_fa";
-    ##`mkdir -p $fa_out_dir`;
-    ##open OUTFA , ">$fa_out_dir/$file_name";
     my $mate = $file_name;
     $mate =~ s/\.fa//;
     my $fastacmd_str = join ',' , sort keys %{$seq_storage{$te}{$mate_fa}};
@@ -160,8 +160,6 @@
        $seq_recs .= `fastacmd -d $mate_fa -s $fastacmd_str`; 
      }
 
-    #my $seq_recs =
-    #  `fastacmd -d $mate_fa -s $fastacmd_str`;
     if ( defined $seq_recs ) {
       my @seq_recs = split />/, $seq_recs;
       ## get rid of first empty record
@@ -178,7 +176,7 @@
     }
   }
 }
-##get reads to align to genome
+##get reads to align to genome and print to a file for bowtie
 foreach my $te ( keys %seqs ) {
   my $bowtie_2_aln = "$working_dir/$te.construcTEr.bowtie2aln.fa";
   open BOWTIEFA, ">$bowtie_2_aln" or die "Can't open $bowtie_2_aln, $!\n";
@@ -374,6 +372,7 @@
       ## if record is a TE hit - get range info
 
       my $range_str = '';
+      ## only TEs are in %ranges
       if ( exists $ranges{$name} ) {
         my $read_range = range_create( $start, $end );
         foreach my $range_name ( sort keys %{ $ranges{$name} } ) {
@@ -389,7 +388,8 @@
       my ($r_s, $r_e) = split /\.\./ , $range;
       foreach my $insert_str(keys %{$inserts{$target}}){
         my $pos = $inserts{$target}{$insert_str}{pos};
-        if ( ((abs ($r_s -$pos)) < 500) or ((abs ($r_e -$pos)) < 500) ){
+        if ( (((abs ($r_s -$pos)) < 1000) or ((abs ($r_e -$pos)) < 1000)) 
+            and  $mismatch == 0){
           push @{$inserts{$target}{$insert_str}{rec}} , ">$id $name:$start..$end ($strand) mismatches=$mismatch $range_str\n$seq\n";   
         }
       }
diff --git a/scripts/run_construcTEr.pl b/scripts/run_construcTEr.pl
index b133dba..0ab5fd8 100755
--- a/scripts/run_construcTEr.pl
+++ b/scripts/run_construcTEr.pl
@@ -23,12 +23,14 @@
 my $arrayJob = 1;
 my $mate_file_1        = '_1\D*?fq';
 my $mate_file_2        = '_2\D*?fq';
+my $blat_dir;
 #my $unpaired        = 'unPaired\D*?fq';
 my $insert_file = 0;
 GetOptions(
   'p|parallel:i'    => \$parallel,
   'a|arrayJob:i'    => \$arrayJob,
   'i|insert_file:s' => \$insert_file,    
+  'b|blat_dir:s' => \$blat_dir,    
   'w|workingdir:s'  => \$workingdir,
   'o|outdir:s'      => \$outdir,
   'd|fq_dir:s'      => \$fq_dir,
@@ -90,6 +92,12 @@
   print "$insert_file does not exist. Check file name.\n";
   &getHelp();
 }
+if ( defined $blat_dir and -d $blat_dir ) {
+  $blat_dir = File::Spec->rel2abs($blat_dir);
+  $blat_dir =~ s/\/$//;
+}else {
+  print "$blat_dir does not exist, need to run blats\n";
+}
 if ( !defined $fq_dir ) {
   print "\n\nPlease provide a directory of complete set of paired fastq files\n";
   &getHelp();
@@ -145,8 +153,8 @@ sub getHelp {
 
 ## get fq files
 $fq_dir = File::Spec->rel2abs($fq_dir);
-my @fq_files = <$fq_dir/*fq>;
-push @fq_files , <$fq_dir/*fastq>;
+my @fq_files = <$fq_dir/*.fq>;
+push @fq_files , <$fq_dir/*.fastq>;
 ## create bowtie index
 my $genome_file = File::Spec->rel2abs($genomeFasta);
 if ( !-e "$genome_file.bowtie_build_index.1.ebwt" ) {
@@ -256,7 +264,7 @@ sub getHelp {
 
 
 #foreach TE fasta blat against target chromosome and parse and find insertion sites
-
+if (!defined $blat_dir){
 if ($parallel){
   $shell_script_count++;
 }
@@ -301,6 +309,7 @@ sub getHelp {
     close SH;
   }
 }
+}
 
 if ($parallel){
   $shell_script_count++;
@@ -312,7 +321,7 @@ sub getHelp {
   my $outregex   = "$current_dir/$top_dir/$TE/$TE.regex.txt";
   open OUTREGEX, ">$outregex" or die $!;
   print OUTREGEX  "$mate_file_1\t$mate_file_2";
-  my $cmd =  "$scripts/construcTEr.pl $fq_dir $genome_file $te_path $current_dir/$top_dir/$TE $outregex $insert_file";
+  my $cmd =  "$scripts/construcTEr.pl $fq_dir $genome_file $te_path $current_dir/$top_dir/$TE $outregex $insert_file $blat_dir";
   if ($parallel) {
     $shell_dir = "$current_dir/$top_dir/shellscripts/step_$shell_script_count/$TE";
     `mkdir -p $shell_dir`;