diff --git a/inc/config.php b/inc/config.php
index 44dc60ec..9d09c53c 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -40,7 +40,7 @@
 	define('ERROR_NOMOVE',	'The server failed to handle your upload.');
 	define('ERROR_FILEEXT',	'Unsupported image format.');
 	define('ERR_INVALIDIMG','Invalid image.');
-	define('ERR_FILSIZE', 'The file was too large.');
+	define('ERR_FILESIZE', 'Maximum file size: %maxsz%<br>Your file\'s size: %sz%');
 	define('ERR_MAXSIZE', 'The file was too big.');
 	
 	// For resizing, max values
@@ -53,6 +53,10 @@
 	define('MAX_WIDTH',		10000);
 	define('MAX_HEIGHT',	MAX_WIDTH);
 	
+	define('ALLOW_ZIP',		true);
+	define('ZIP_IMAGE',		'src/zip.png');
+	
+	
 	/**
 		Redraw the image using GD functions to strip any excess data (commonly ZIP archives)
 		WARNING: Very beta. Currently strips animated GIFs too :(
@@ -63,7 +67,7 @@
 	define('REDRAW_GIF',	false);
 	
 	// Display the aspect ratio in a post's file info
-	define('SHOW_RATIO',	false);
+	define('SHOW_RATIO',	true);
 	
 	define('DIR_IMG',		'src/');
 	define('DIR_THUMB',		'thumb/');
@@ -92,7 +96,7 @@
 	
 	define('URL_MATCH',		'/^' . (@$_SERVER['HTTPS']?'https':'http').':\/\/'.$_SERVER['HTTP_HOST'] . '(' . preg_quote(ROOT, '/') . '|' . preg_quote(ROOT, '/') . '' . preg_quote(FILE_INDEX, '/') . '|' . preg_quote(ROOT, '/') . '' . str_replace('%d', '\d+', preg_quote(FILE_PAGE, '/')) . ')$/');
 	
-	if(!defined(IS_INSTALLATION)) {
+	if(!defined('IS_INSTALLATION')) {
 		if(!file_exists(DIR_IMG)) @mkdir(DIR_IMG) or error("Couldn't create " . DIR_IMG . ". Install manually.");
 		if(!file_exists(DIR_THUMB)) @mkdir(DIR_THUMB) or error("Couldn't create " . DIR_IMG . ". Install manually.");
 		if(!file_exists(DIR_RES)) @mkdir(DIR_RES) or error("Couldn't create " . DIR_IMG . ". Install manually.");
diff --git a/inc/functions.php b/inc/functions.php
index b465488c..2454abb2 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -1,4 +1,55 @@
 <?php
+	
+	function zipFileErrMsg($errno) {
+		// using constant name as a string to make this function PHP4 compatible
+		$zipFileFunctionsErrors = array(
+			'ZIPARCHIVE::ER_MULTIDISK' => 'Multi-disk zip archives not supported.',
+			'ZIPARCHIVE::ER_RENAME' => 'Renaming temporary file failed.',
+			'ZIPARCHIVE::ER_CLOSE' => 'Closing zip archive failed', 
+			'ZIPARCHIVE::ER_SEEK' => 'Seek error',
+			'ZIPARCHIVE::ER_READ' => 'Read error',
+			'ZIPARCHIVE::ER_WRITE' => 'Write error',
+			'ZIPARCHIVE::ER_CRC' => 'CRC error',
+			'ZIPARCHIVE::ER_ZIPCLOSED' => 'Containing zip archive was closed',
+			'ZIPARCHIVE::ER_NOENT' => 'No such file.',
+			'ZIPARCHIVE::ER_EXISTS' => 'File already exists',
+			'ZIPARCHIVE::ER_OPEN' => 'Can\'t open file', 
+			'ZIPARCHIVE::ER_TMPOPEN' => 'Failure to create temporary file.', 
+			'ZIPARCHIVE::ER_ZLIB' => 'Zlib error',
+			'ZIPARCHIVE::ER_MEMORY' => 'Memory allocation failure', 
+			'ZIPARCHIVE::ER_CHANGED' => 'Entry has been changed',
+			'ZIPARCHIVE::ER_COMPNOTSUPP' => 'Compression method not supported.', 
+			'ZIPARCHIVE::ER_EOF' => 'Premature EOF',
+			'ZIPARCHIVE::ER_INVAL' => 'Invalid argument',
+			'ZIPARCHIVE::ER_NOZIP' => 'Not a zip archive',
+			'ZIPARCHIVE::ER_INTERNAL' => 'Internal error',
+			'ZIPARCHIVE::ER_INCONS' => 'Zip archive inconsistent', 
+			'ZIPARCHIVE::ER_REMOVE' => 'Can\'t remove file',
+			'ZIPARCHIVE::ER_DELETED' => 'Entry has been deleted',
+		);
+		$errmsg = 'unknown';
+		foreach ($zipFileFunctionsErrors as $constName => $errorMessage) {
+			if (defined($constName) and constant($constName) === $errno) {
+				return 'Zip File Function error: '.$errorMessage;
+			}
+		}
+		return 'Zip File Function error: unknown';
+	}
+
+	function sprintf3($str, $vars, $delim = '%') {
+		$replaces = array();
+		foreach($vars as $k => $v) {
+			$replaces[$delim . $k . $delim] = $v;
+	}
+		return str_replace(array_keys($replaces),
+		                   array_values($replaces), $str);
+	}
+
+	function commaize($n) {
+		$n = strval($n);
+		return (intval($n) < 1000) ? $n : commaize(substr($n, 0, -3)) . ',' . substr($n, -3);
+	}
+
 	function sql_open() {
 		global $sql;
 		$sql = @mysql_connect(MY_SERVER, MY_USER, MY_PASSWORD) or error('Database error.');
@@ -15,6 +66,58 @@
 		}
 	}
 	
+	function post($post, $OP) {
+		global $sql;
+		if($OP) {
+			mysql_query(
+				sprintf("INSERT INTO `posts` VALUES ( NULL, NULL, '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )",
+					$post['subject'],
+					$post['email'],
+					$post['name'],
+					$post['trip'],
+					$post['body'],
+					time(),
+					time(),
+					$post['thumb'],
+					$post['thumbwidth'],
+					$post['thumbheight'],
+					$post['file'],
+					$post['width'],
+					$post['height'],
+					$post['filesize'],
+					$post['filename'],
+					$post['filehash'],
+					$post['password'],
+					mysql_real_escape_string($_SERVER['REMOTE_ADDR'])
+				), $sql) or error(mysql_error($sql));
+			return mysql_insert_id($sql);
+		} else {
+			mysql_query(
+				sprintf("INSERT INTO `posts` VALUES ( NULL, '%d', '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )",
+					$post['thread'],
+					$post['subject'],
+					$post['email'],
+					$post['name'],
+					$post['trip'],
+					$post['body'],
+					time(),
+					time(),
+					$post['has_file']?$post['thumb']:null,
+					$post['has_file']?$post['thumbwidth']:null,
+					$post['has_file']?$post['thumbheight']:null,
+					$post['has_file']?$post['file']:null,
+					$post['has_file']?$post['width']:null,
+					$post['has_file']?$post['height']:null,
+					$post['has_file']?$post['filesize']:null,
+					$post['has_file']?$post['filename']:null,
+					$post['has_file']?$post['filehash']:null,
+					$post['password'],
+					mysql_real_escape_string($_SERVER['REMOTE_ADDR'])
+				), $sql) or error(mysql_error($sql));
+			return mysql_insert_id($sql);
+		}
+	}
+	
 	function index($page) {
 		global $sql, $board;
 		
diff --git a/post.php b/post.php
index 94b80f8c..e4303fca 100644
--- a/post.php
+++ b/post.php
@@ -74,8 +74,13 @@
 		$post['filename'] = $_FILES['file']['name'];
 		$post['has_file'] = $OP || !empty($_FILES['file']['tmp_name']);
 		
-		if($post['has_file'] && $_FILES['file']['size'] > MAX_FILESIZE)
-			error(ERR_FILSIZE);
+		if($post['has_file']) {
+			$size = $_FILES['file']['size'];
+			if($size > MAX_FILESIZE)
+				error(sprintf3(ERR_FILESIZE, array(
+					'sz'=>commaize($size),
+					'maxsz'=>commaize(MAX_FILESIZE))));
+		}
 		
 		$trip = generate_tripcode($post['name']);
 		$post['name'] = $trip[0];
@@ -91,7 +96,8 @@
 			$post['file_id'] = rand(0, 1000000000);
 			$post['file'] = DIR_IMG . $post['file_id'] . '.' . $post['extension'];
 			$post['thumb'] = DIR_THUMB . $post['file_id'] . '.png';
-			if(!in_array($post['extension'], $allowed_ext)) error(ERROR_FILEEXT);
+			$post['zip'] = $OP && $post['has_file'] && ALLOW_ZIP && $post['extension'] == 'zip' ? $post['file'] : false;
+			if(!($post['zip'] || in_array($post['extension'], $allowed_ext))) error(ERROR_FILEEXT);
 		}
 		
 		// Check string lengths
@@ -102,8 +108,6 @@
 		if(!(!$OP && $post['has_file']) && strlen($post['body']) < 1) error(ERROR_TOOSHORTBODY);
 		if(strlen($post['password']) > 20) error(sprintf(ERROR_TOOLONG, 'password'));
 		
-		
-		
 		markup($post['body']);
 		
 		if($post['has_file']) {
@@ -112,6 +116,11 @@
 			// Move the uploaded file
 			if(!@move_uploaded_file($_FILES['file']['tmp_name'], $post['file'])) error(ERROR_NOMOVE);
 			
+			if($post['zip']) {
+				$post['file'] = ZIP_IMAGE;
+				$post['extension'] = strtolower(substr($post['file'], strrpos($post['file'], '.') + 1));
+			}
+			
 			$size = @getimagesize($post['file']);
 			$post['width'] = $size[0];
 			$post['height'] = $size[1];
@@ -132,7 +141,7 @@
 			
 			$image = createimage($post['extension'], $post['file']);
 			
-			if(REDRAW_IMAGE) {
+			if(REDRAW_IMAGE && !$post['zip']) {
 				switch($post['extension']) {
 					case 'jpg':
 					case 'jpeg':
@@ -156,7 +165,6 @@
 			// Create a thumbnail
 			$thumb = resize($image, $post['width'], $post['height'], $post['thumb'], THUMB_WIDTH, THUMB_HEIGHT);
 			
-			
 			$post['thumbwidth'] = $thumb['width'];
 			$post['thumbheight'] = $thumb['height'];
 		}
@@ -167,54 +175,101 @@
 		sql_open();
 		mysql_safe_array($post);
 		
-		if($OP) {
-			mysql_query(
-				sprintf("INSERT INTO `posts` VALUES ( NULL, NULL, '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )",
-					$post['subject'],
-					$post['email'],
-					$post['name'],
-					$post['trip'],
-					$post['body'],
-					time(),
-					time(),
-					$post['thumb'],
-					$post['thumbwidth'],
-					$post['thumbheight'],
-					$post['file'],
-					$post['width'],
-					$post['height'],
-					$post['filesize'],
-					$post['filename'],
-					$post['filehash'],
-					$post['password'],
-					mysql_real_escape_string($_SERVER['REMOTE_ADDR'])
-				), $sql) or error(mysql_error($sql));
-		} else {
-			mysql_query(
-				sprintf("INSERT INTO `posts` VALUES ( NULL, '%d', '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )",
-					$post['thread'],
-					$post['subject'],
-					$post['email'],
-					$post['name'],
-					$post['trip'],
-					$post['body'],
-					time(),
-					time(),
-					$post['has_file']?$post['thumb']:null,
-					$post['has_file']?$post['thumbwidth']:null,
-					$post['has_file']?$post['thumbheight']:null,
-					$post['has_file']?$post['file']:null,
-					$post['has_file']?$post['width']:null,
-					$post['has_file']?$post['height']:null,
-					$post['has_file']?$post['filesize']:null,
-					$post['has_file']?$post['filename']:null,
-					$post['has_file']?$post['filehash']:null,
-					$post['password'],
-					mysql_real_escape_string($_SERVER['REMOTE_ADDR'])
-				), $sql) or error(mysql_error($sql));
+		$id = post($post, $OP);
+		
+		if($post['zip']) {
+			// Open ZIP
+			$zip = zip_open($post['zip']);
+			// Read files
+			while($entry = zip_read($zip)) {
+				$filename = basename(zip_entry_name($entry));
+				$extension = strtolower(substr($filename, strrpos($filename, '.') + 1));
+				
+				if(in_array($extension, $allowed_ext)) {
+					  if (zip_entry_open($zip, $entry, 'r')) {
+						
+						// Fake post
+						$dump_post = Array(
+							'subject' => $post['subject'],
+							'email' => $post['email'],
+							'name' => $post['name'],
+							'trip' => $post['trip'],
+							'body' => '',
+							'thread' => $id,
+							'password' => '',
+							'has_file' => true,
+							'file_id' => rand(0, 1000000000),
+							'filename' => $filename
+						);
+						
+						$dump_post['file'] = DIR_IMG . $dump_post['file_id'] . '.' . $extension;
+						$dump_post['thumb'] = DIR_THUMB . $dump_post['file_id'] . '.png';
+						
+						// Extract the image from the ZIP
+						$fp = fopen($dump_post['file'], 'w+');
+						fwrite($fp, zip_entry_read($entry, zip_entry_filesize($entry)));
+						fclose($fp);
+						
+						$size = @getimagesize($dump_post['file']);
+						$dump_post['width'] = $size[0];
+						$dump_post['height'] = $size[1];
+						
+						// Check if the image is valid
+						if($dump_post['width'] < 1 || $dump_post['height'] < 1) {
+							unlink($dump_post['file']);
+						} else {
+							if($dump_post['width'] > MAX_WIDTH || $dump_post['height'] > MAX_HEIGHT) {
+								unlink($dump_post['file']);
+								error(ERR_MAXSIZE);
+							} else {
+								$dump_post['filehash'] = md5_file($dump_post['file']);
+								$dump_post['filesize'] = filesize($dump_post['file']);
+								
+								$image = createimage($extension, $dump_post['file']);
+								
+								$success = true;
+								if(REDRAW_IMAGE) {
+									switch($extension) {
+										case 'jpg':
+										case 'jpeg':
+											imagejpeg($image, $dump_post['file'], JPEG_QUALITY);
+											break;
+										case 'png':
+											imagepng($image, $dump_post['file'], 7);
+											break;
+										case 'gif':
+											if(REDRAW_GIF)
+												imagegif($image, $dump_post['file']);
+											break;
+										case 'bmp':
+											imagebmp($image, $dump_post['file']);
+											break;
+										default:
+											$success = false;
+									}
+								}
+						
+						
+								// Create a thumbnail
+								$thumb = resize($image, $dump_post['width'], $dump_post['height'], $dump_post['thumb'], THUMB_WIDTH, THUMB_HEIGHT);
+								
+								$dump_post['thumbwidth'] = $thumb['width'];
+								$dump_post['thumbheight'] = $thumb['height'];
+								
+								// Create the post
+								post($dump_post, false);
+							}
+						}
+						
+						// Close the ZIP
+						zip_entry_close($entry);
+					}
+				}
+			}
+			zip_close($zip);
+			unlink($post['zip']);
 		}
 		
-		$id = mysql_insert_id($sql);
 		buildThread(($OP?$id:$post['thread']));
 		
 		if(!$OP) {
diff --git a/src/zip.png b/src/zip.png
new file mode 100755
index 00000000..7886679a
Binary files /dev/null and b/src/zip.png differ