diff --git a/leaf.php b/leaf.php
index 41c0898..d3d7dae 100644
--- a/leaf.php
+++ b/leaf.php
@@ -1,7 +1,7 @@
 <?php
 
 // Leaf - Tools for Book Scans
-$version = "0.8.8";
+$version = "0.8.10";
 $time_start = microtime(true);
 date_default_timezone_set("America/Los_Angeles");
 
@@ -17,12 +17,12 @@ if (in_array($cores,$reasonable_cores)) {
 
 // Functions
 
-function crop_imgk_to_xmp($width, $height, $xoff, $yoff) {
+function crop_imgk_to_xmp($cwidth, $cheight, $xoff, $yoff, $width, $height) {
 	
 	$top = $yoff/$height;
-	$right = (($width-$xoff)/$width);
+	$right = (($xoff+$cwidth)/$width);
 	$left = $xoff/$width;
-	$bottom = (($height-$yoff)/$height);
+	$bottom = (($yoff+$cheight)/$height);
 
 	return array(number_format($top,6), number_format($right,6), number_format($left,6), number_format($bottom,6));
 	
@@ -245,6 +245,7 @@ USAGE: leaf [mode] [-options] directory
 
 Modes:
 autocrop                    crop using row/column brightness method
+    -levels=<params>        levels adjustment for resulting image (ex. \"0-253,0-2,0-255\")
 build                       combine images into a pdf with img2pdf
 clean                       remove scratch files
 crop                        define EXIF crop values using template files
@@ -336,34 +337,71 @@ foreach ($picks as $file) {
 echo Welcome("Crop using row/column brightness method");
 /////////////////////////////////////////////////////////////////////////
 
+if (args("levels")) {
+	$adjust = args("levels");
+	}
+
 msg("Checking crops");
 
 $files = glob(args("dir")."*.*");
 foreach ($files as $file) {
 	
-	$parts = chop(shell_exec("exiftool -s -s -s -XMP-crs:CropTop -XMP-crs:CropRight -XMP-crs:CropLeft -XMP-crs:CropBottom ".$file." 2>&1"));
-	@list($top, $right, $left, $bottom) = explode("\n", $parts);
-	echo "\nExisting crop values for ".$file.": ";
-	echo "\tTop: ".bashcolor($top, "light blue");
-	echo "\tRight: ".bashcolor($right, "light green");
-	echo "\tLeft: ".bashcolor($left, "light cyan");
-	echo "\tBottom: ".bashcolor($bottom, "light red");
+	$tags = chop(shell_exec("exiftool -XMP-crs:CropTop -XMP-crs:CropRight -XMP-crs:CropLeft -XMP-crs:CropBottom -ImageWidth -ImageHeight ".$file." 2>&1"));
+	foreach (explode("\n", trim($tags)) as $tag) {
+		$parts = explode(":", $tag);
+		$attr[trim($parts[0])] = trim($parts[1]);
+		}
+	
+	$width = $attr['Image Width'];
+	$height = $attr['Image Height'];
+	
+	if (isset($attr['Crop Top']) && isset($attr['Crop Right']) && isset($attr['Crop Left']) && isset($attr['Crop Bottom'])) {
+		echo "\nExisting crop values for ".$file.": ";
+		echo "\tTop: ".bashcolor($attr['Crop Top'], "light blue");
+		echo "\tRight: ".bashcolor($attr['Crop Right'], "light green");
+		echo "\tLeft: ".bashcolor($attr['Crop Left'], "light cyan");
+		echo "\tBottom: ".bashcolor($attr['Crop Bottom'], "light red");
+		} else {
+		echo "\nNo existing crop values for ".$file;
+		}
 
-	$detectx = explode("\n",chop(shell_exec("convert \( $file +repage -scale x1! -bordercolor black -border 1 -fuzz 30% -trim \) -format \"%w\n%O\" info:")));
-	$detecty = explode("\n",chop(shell_exec("convert \( $file +repage -scale 1x! -bordercolor black -border 1 -fuzz 60% -trim \) -format \"%h\n%O\" info:")));
+	if (isset($adjust)) {
+		$adjfile = "\( ".$file." -level ".$adjust." \)";
+		} else {
+		$adjfile = $file;
+		}
+
+	$detectx = explode("\n",chop(@shell_exec("convert \( ".$adjfile." +repage -scale x1! -bordercolor black -border 1 -fuzz 30% -trim \) -format \"%w\n%O\" info: 2>&1")));
+	$detecty = explode("\n",chop(@shell_exec("convert \( ".$adjfile." +repage -scale 1x! -bordercolor black -border 1 -fuzz 60% -trim \) -format \"%h\n%O\" info: 2>&1")));
 	$detectxparts = explode("+", $detectx[1]);
 	$detectyparts = explode("+", $detecty[1]);
-	
-	list($ntop, $nright, $nleft, $nbottom) = crop_imgk_to_xmp($detectx[0], $detecty[0], $detectxparts[1], $detectxparts[2]);
 
-	echo "\nNew crop values for ".$file.": ";
-	echo "\tTop: ".bashcolor($ntop, "blue");
-	echo "\tRight: ".bashcolor($nright, "green");
-	echo "\tLeft: ".bashcolor($nleft, "cyan");
-	echo "\tBottom: ".bashcolor($nbottom, "red");
+	if ($debug) { echo "\n".bashcolor("imgk values: cwidth: ".$detectx[0].", cheight: ".$detecty[0].", xoff: ".$detectxparts[1].", yoff: ".$detectxparts[2].", width: ".$width.", height: ".$height, "white","light purple"); }
 	
-	$msg = "Setting crop values for ".$file;
-	$cmd = "exiftool -overwrite_original -XMP-crs:HasCrop=1 -XMP-crs:AlreadyApplied=0 -XMP-crs:CropTop=".$ntop." -XMP-crs:CropRight=".$nright." -XMP-crs:CropLeft=".$nleft." -XMP-crs:CropBottom=".$nbottom." ".$file;
+	if (isset($detectx[0]) && $detectx[0] > 1) { $cwidth = $detectx[0]; } else { $cwidth = null; }
+	if (isset($detecty[0]) && $detecty[0] > 1) { $cheight = $detecty[0]; } else { $cheight = null; }
+	if (isset($detectxparts[1]) && $detectxparts[1] > 1) { $xoff = $detectxparts[1]; } else { $xoff = null; }
+	if (isset($detectxparts[2])) { $yoff = $detectxparts[2]; } else { $yoff = null; }
+
+	if ($cwidth && $cheight && $xoff && $yoff) {
+
+		list($ntop, $nright, $nleft, $nbottom) = crop_imgk_to_xmp($cwidth, $cheight, $xoff, $yoff, $width, $height);
+
+		echo "\nNew crop values for ".$file.": ";
+		echo "\tTop: ".bashcolor($ntop, "blue");
+		echo "\tRight: ".bashcolor($nright, "green");
+		echo "\tLeft: ".bashcolor($nleft, "cyan");
+		echo "\tBottom: ".bashcolor($nbottom, "red");
+
+		$msg = "Setting crop values for ".$file;
+		$cmd = "exiftool -overwrite_original -XMP-crs:HasCrop=1 -XMP-crs:AlreadyApplied=0 -XMP-crs:CropTop=".$ntop." -XMP-crs:CropRight=".$nright." -XMP-crs:CropLeft=".$nleft." -XMP-crs:CropBottom=".$nbottom." ".$file;
+		
+		} else {
+		
+		$msg = "Incomplete crop values for ".$file.", skipping...";
+		$cmd = "true";
+		
+		}
 	
 	$thread[] = array($msg, $cmd);
 	
@@ -1343,7 +1381,7 @@ fin();
 echo Welcome("Insert image into numbered sequence");
 /////////////////////////////////////////////////////////////////////////
 
-$files = glob(args("dir")."[0-9][0-9][0-9]-*.jpg");
+$files = glob(args("dir")."[0-9][0-9][0-9]-*.*");
 $count = count($files);
 
 if (!$count) {
@@ -1387,7 +1425,7 @@ foreach ($ops as $parts) {
 	rename($parts[0], $parts[1]);
 	}
  
-fin("Starting file count: ".$count."; Ending file count: ".count(glob(args("dir")."[0-9][0-9][0-9]-*.jpg")));
+fin("Starting file count: ".$count."; Ending file count: ".count(glob(args("dir")."[0-9][0-9][0-9]-*.*")));
 
 ////////////////////////////////////////////////////////////////////////////////////////////////
 // Note: Review