diff --git a/Masonry.php b/Masonry.php
new file mode 100644
index 0000000..f1420bc
--- /dev/null
+++ b/Masonry.php
@@ -0,0 +1,191 @@
+<?php
+
+require_once 'PEAR/Math/Matrix.php';
+
+class Masonry
+{
+	public $multiplier = 1; // speedup
+
+	public $xsize = 100;
+	public $ysize = 100;
+
+	public $minWidth = 15;
+	public $maxWidth = 40;
+
+	public $minHeight = 30;
+	public $maxHeight = 75;
+
+	public $minArea = 2; // fraction of minimum possible area
+	public $maxArea = 0.5; // fraction of maximum possible area
+
+	public $fillTopProbability = 2;
+	public $fillHalfwayProbability = 3;
+
+	public $debug = false;
+
+	/**
+	 *
+	 * @var Math_Matrix
+	 */
+	private $matrix;
+
+	public function create($array)
+	{
+		// test conditions
+
+		// TODO: test min/max
+
+		// test area
+		if ( ($this->minArea * ($this->minWidth * $this->minHeight)) >= ($this->maxArea * ($this->maxWidth * $this->maxHeight))) {
+			throw new Exception('Min/max area overlap, please adjust settings');
+		}
+
+		// create matrix
+		$this->matrix = Math_Matrix::makeMatrix($this->ysize, $this->xsize, -1);
+
+		// variable to define whether filling is active
+		$fill = false;
+
+		// return array
+		$positions = array();
+
+		foreach($array as $k => $v) {
+
+			// get next empty space
+			$pos = $this->searchNextPosition();
+
+			// fill horizontal?
+			if ($pos[1] == 0) { // are we at the top?
+				if ($pos[0] != 0) { // are we not at [0,0] ?
+					if (rand(1, $this->fillTopProbability) == 1) { // roll a dice for top position fill
+						// calculate fill position
+						$fill = $this->searchXBoundFrom($pos[0]) + $this->minWidth;
+						if ($this->debug) {
+							echo 'fill from top x='. $fill . '<br/>';
+						}
+					} else {
+						$fill = false;
+					}
+				}
+			} elseif ($fill === false) { // fill from halfway?
+				if (rand(1, $this->fillHalfwayProbability) == 1) { // roll a dice halfway position fill
+					// calculate fill position
+					$fill = $this->searchXBoundFrom($pos[0]) + $this->minWidth;
+					if ($this->debug) {
+						echo 'fill x='. $fill . '<br/>';
+					}
+				}
+			}
+
+			// get dimensions
+			$rand = $this->randomDimensions();
+			$randWidth = $rand['width'];
+			$randHeight = $rand['height'];
+
+			if ($fill !== false) {
+				$randWidth = $fill - $pos[0];
+			}
+
+			// height available?
+			$heightAvailable = $this->availableHeightFrom($pos[0], $pos[1]);
+			if ($heightAvailable <= $this->minHeight) {
+				$height = $heightAvailable;
+			} else if ($heightAvailable <= $this->minHeight * 2) {
+				$height = $heightAvailable;
+			} else {
+				$height = min($randHeight, $heightAvailable - $this->minHeight);
+			}
+			// random width
+			$width = $randWidth;
+
+			// debug
+			if ($this->debug) {
+				echo $k . ': ' . $height  . '(' . $heightAvailable . ')x' . $width . ' @ [' . $pos[0] . ', ' . $pos[1] . ']<br/>';
+			}
+
+			// set ids
+			for($x = $pos[0]; $x < $width + $pos[0]; $x++) {
+				for($y = $pos[1]; $y < $height + $pos[1]; $y++) {
+					$this->matrix->setElement($y, $x, $k);
+				}
+			}
+
+			// set item position
+			$positions[$k] = array(
+				'x' => $pos[0] * $this->multiplier,
+				'y' => $pos[1] * $this->multiplier,
+				'w' => $width * $this->multiplier,
+				'h' => $height * $this->multiplier
+			);
+		}
+
+		// debug: print matrix
+		if ($this->debug) {
+			echo '<pre>'.$this->matrix->toString('%3.0f').'</pre>';
+			die();
+		}
+
+		// return array
+		return $positions;
+	}
+
+	public function searchNextPosition() {
+		for($x = 0; $x < $this->xsize; $x++) {
+			$col = $this->matrix->getCol($x);
+			if (($y = array_search('-1', $col)) !== false) {
+				return array($x, $y);
+			}
+		}
+		throw new Exception('Grid X size too small, please enlarge');
+	}
+
+	public function searchXBoundFrom($x) {
+		for($i = $x; $i < $this->xsize; $i++) {
+			$col = $this->matrix->getCol($i);
+			if (max($col) == -1) {
+				return $i;
+			}
+		}
+	}
+
+	public function availableHeightFrom($x, $y) {
+		// get the column
+		$col = $this->matrix->getCol($x);
+		// make array start at correct y pos
+		for($i = 0; $i < $y; $i++) {
+			array_shift($col);
+		}
+		foreach($col as $k => $v) {
+			if ($v > -1) {
+				return $k;
+			}
+		}
+		// entire height available
+		return $this->ysize - $y;
+	}
+
+	public function randomHeight()
+	{
+		return rand($this->minHeight, $this->maxHeight);
+	}
+
+	public function randomWidth()
+	{
+		return rand($this->minWidth, $this->maxWidth);
+	}
+
+	public function randomDimensions()
+	{
+		$min = ($this->minArea * ($this->minHeight * $this->minWidth));
+		$max = ($this->maxArea * ($this->maxHeight * $this->maxWidth));
+		do {
+			$width = $this->randomWidth();
+			$height = $this->randomHeight();
+			$area = $width * $height;
+		} while ($area < $min || $area > $max);
+		return array(
+			"width" => $width,
+			"height" => $height
+		);
+	}
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
deleted file mode 100644
index 7d6be35..0000000
--- a/composer.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "require": {
-        "hongaar/php-masonry": "^0.1.0"
-    }
-}
diff --git a/masonry.php b/masonry.php
index 184ec96..5621cb6 100644
--- a/masonry.php
+++ b/masonry.php
@@ -11,6 +11,8 @@ Version: 1.0
 Author URI: https://en.oreolek.ru/
  */
 
+require_once('Masonry.php');
+
 add_action('admin_menu', 'masonryslides_menu');
 
 function masonryslides_menu() {
@@ -28,4 +30,24 @@ function masonryslides_newslide() {
 ?>
 <h1>New slide</h1>
 <?php
+  $images = glob('images/*');
+  shuffle($images);
+  $masonry = new Masonry();
+  $masonry->minWidth = 5;
+  $masonry->maxWidth = 15;
+  $masonry->minHeight = 10;
+  $masonry->maxHeight = 30;
+  $masonry->fillTopProbability = 5;
+  $masonry->fillHalfwayProbability = 2;
+  $masonry->xsize = count($images) * ($masonry->maxWidth / ($masonry->ysize / $masonry->maxHeight));
+
+  try {
+    $position = $masonry->create($images);
+  } catch (Exception $e) {
+    echo $e->getMessage();
+  }
+
+  foreach($images as $k => $v) : ?>
+    <div style='top: <?php echo $position[$k]['y']; ?>%; left: <?php echo $position[$k]['x']; ?>%; width: <?php echo $position[$k]['w']; ?>%; height: <?php echo $position[$k]['h']; ?>%; background-image: url(<?php echo $images[$k]; ?>);'></div>
+  <?php endforeach;
 }