diff --git a/php/access/Admin.php b/php/access/Admin.php
index f2ba009..e70aa07 100644
--- a/php/access/Admin.php
+++ b/php/access/Admin.php
@@ -219,14 +219,16 @@ class Admin extends Access {
 	private function importUrl() {
 
 		Module::dependencies(isset($_POST['url'], $_POST['albumID']));
-		echo Import::url($_POST['url'], $_POST['albumID']);
+		$import = new Import($this->database, $this->plugins, $this->settings);
+		echo $import->url($_POST['url'], $_POST['albumID']);
 
 	}
 
 	private function importServer() {
 
 		Module::dependencies(isset($_POST['albumID'], $_POST['path']));
-		echo Import::server($_POST['albumID'], $_POST['path']);
+		$import = new Import($this->database, $this->plugins, $this->settings);
+		echo $import->server($_POST['path'], $_POST['albumID']);
 
 	}
 
diff --git a/php/modules/Import.php b/php/modules/Import.php
index 7ab2da9..381e9b1 100644
--- a/php/modules/Import.php
+++ b/php/modules/Import.php
@@ -9,14 +9,32 @@ if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
 
 class Import extends Module {
 
-	static function photo($database, $plugins, $settings, $path, $albumID = 0, $description = '', $tags = '') {
+	private $database	= null;
+	private $settings	= null;
+	private $albumIDs	= null;
+
+	public function __construct($database, $plugins, $settings) {
+
+		# Init vars
+		$this->database	= $database;
+		$this->plugins	= $plugins;
+		$this->settings	= $settings;
+
+		return true;
+
+	}
+
+	private function photo($path, $albumID = 0, $description = '', $tags = '') {
+
+		# Check dependencies
+		self::dependencies(isset($this->database, $this->plugins, $this->settings, $path));
 
 		# No need to validate photo type and extension in this function.
 		# $photo->add will take care of it.
 
 		$info	= getimagesize($path);
 		$size	= filesize($path);
-		$photo	= new Photo($database, $plugins, $settings, null);
+		$photo	= new Photo($this->database, $this->plugins, $this->settings, null);
 
 		$nameFile					= array(array());
 		$nameFile[0]['name']		= $path;
@@ -25,30 +43,35 @@ class Import extends Module {
 		$nameFile[0]['error']		= 0;
 		$nameFile[0]['size']		= $size;
 
-		if (!$photo->add($nameFile, $albumID, $description, $tags)) return false;
+		if (!$photo->add($nameFile, $albumID, $description, $tags, true)) return false;
 		return true;
 
 	}
 
-	static function url($urls, $albumID = 0) {
+	public function url($urls, $albumID = 0) {
 
-		global $database, $plugins, $settings;
+		# Check dependencies
+		self::dependencies(isset($this->database, $urls));
+
+		# Call plugins
+		$this->plugins(__METHOD__, 0, func_get_args());
 
 		$error = false;
 
-		# Parse
+		# Parse URLs
 		$urls = str_replace(' ', '%20', $urls);
 		$urls = explode(',', $urls);
 
 		foreach ($urls as &$url) {
 
-			# Validate photo type and extension even when Import::photo (=> $photo->add) will do the same.
+			# Validate photo type and extension even when $this->photo (=> $photo->add) will do the same.
 			# This prevents us from downloading invalid photos.
 
 			# Verify extension
 			$extension = getExtension($url);
 			if (!in_array(strtolower($extension), Photo::$validExtensions, true)) {
 				$error = true;
+				Log::error($this->database, __METHOD__, __LINE__, 'Photo format not supported (' . $url . ')');
 				continue;
 			}
 
@@ -56,6 +79,7 @@ class Import extends Module {
 			$type = @exif_imagetype($url);
 			if (!in_array($type, Photo::$validTypes, true)) {
 				$error = true;
+				Log::error($this->database, __METHOD__, __LINE__, 'Photo type not supported (' . $url . ')');
 				continue;
 			}
 
@@ -65,34 +89,38 @@ class Import extends Module {
 
 			if (@copy($url, $tmp_name)===false) {
 				$error = true;
-				Log::error($database, __METHOD__, __LINE__, 'Could not copy file (' . $tmp_name . ') to temp-folder (' . $tmp_name . ')');
+				Log::error($this->database, __METHOD__, __LINE__, 'Could not copy file (' . $tmp_name . ') to temp-folder (' . $tmp_name . ')');
 				continue;
 			}
 
 			# Import photo
-			if (!Import::photo($database, $plugins, $settings, $tmp_name, $albumID)) {
+			if (!$this->photo($tmp_name, $albumID)) {
 				$error = true;
-				Log::error($database, __METHOD__, __LINE__, 'Could not import file: ' . $tmp_name);
+				Log::error($this->database, __METHOD__, __LINE__, 'Could not import file: ' . $tmp_name);
 				continue;
 			}
 
 		}
 
+		# Call plugins
+		$this->plugins(__METHOD__, 1, func_get_args());
+
 		if ($error===false) return true;
 		return false;
 
 	}
 
-	static function server($albumID = 0, $path) {
+	public function server($path, $albumID = 0) {
 
-		global $database, $plugins, $settings;
+		# Check dependencies
+		self::dependencies(isset($this->database, $this->plugins, $this->settings));
 
 		# Parse path
-		if (!isset($path)) $path = LYCHEE_UPLOADS_IMPORT;
-		if (substr($path, -1)==='/') $path = substr($path, 0, -1);
+		if (!isset($path))				$path = LYCHEE_UPLOADS_IMPORT;
+		if (substr($path, -1)==='/')	$path = substr($path, 0, -1);
 
 		if (is_dir($path)===false) {
-			Log::error($database, __METHOD__, __LINE__, 'Given path is not a directory (' . $path . ')');
+			Log::error($this->database, __METHOD__, __LINE__, 'Given path is not a directory (' . $path . ')');
 			return 'Error: Given path is not a directory!';
 		}
 
@@ -100,7 +128,7 @@ class Import extends Module {
 		if ($path===LYCHEE_UPLOADS_BIG||($path . '/')===LYCHEE_UPLOADS_BIG||
 			$path===LYCHEE_UPLOADS_MEDIUM||($path . '/')===LYCHEE_UPLOADS_MEDIUM||
 			$path===LYCHEE_UPLOADS_THUMB||($path . '/')===LYCHEE_UPLOADS_THUMB) {
-				Log::error($database, __METHOD__, __LINE__, 'The given path is a reserved path of Lychee (' . $path . ')');
+				Log::error($this->database, __METHOD__, __LINE__, 'The given path is a reserved path of Lychee (' . $path . ')');
 				return 'Error: Given path is a reserved path of Lychee!';
 		}
 
@@ -108,10 +136,10 @@ class Import extends Module {
 		$contains['photos']	= false;
 		$contains['albums']	= false;
 
-		# Invoke plugins directly, as instance method not valid here
+		# Call plugins
 		# Note that updated albumId and path explicitly passed, rather
 		# than using func_get_args() which will only return original ones
-		$plugins->activate(__METHOD__ . ":before", array($albumID, $path));
+		$this->plugins(__METHOD__, 0, array($albumID, $path));
 
 		# Get all files
 		$files = glob($path . '/*');
@@ -122,7 +150,7 @@ class Import extends Module {
 			# the file may still be unreadable by the user
 			if (!is_readable($file)) {
 				$error = true;
-				Log::error($database, __METHOD__, __LINE__, 'Could not read file or directory: ' . $file);
+				Log::error($this->database, __METHOD__, __LINE__, 'Could not read file or directory: ' . $file);
 				continue;
 			}
 
@@ -130,33 +158,33 @@ class Import extends Module {
 
 				# Photo
 
-				if (!Import::photo($database, $plugins, $settings, $file, $albumID)) {
+				$contains['photos'] = true;
+
+				if (!$this->photo($file, $albumID)) {
 					$error = true;
-					Log::error($database, __METHOD__, __LINE__, 'Could not import file: ' . $file);
+					Log::error($this->database, __METHOD__, __LINE__, 'Could not import file: ' . $file);
 					continue;
 				}
-				$contains['photos'] = true;
 
 			} else if (is_dir($file)) {
 
 				# Folder
 
-				$name				= mysqli_real_escape_string($database, basename($file));
-				$album				= new Album($database, null, null, null);
-				$newAlbumID			= $album->add('[Import] ' . $name);
+				$album				= new Album($this->database, $this->plugins, $this->settings, null);
+				$newAlbumID			= $album->add('[Import] ' . basename($file));
 				$contains['albums']	= true;
 
 				if ($newAlbumID===false) {
 					$error = true;
-					Log::error($database, __METHOD__, __LINE__, 'Could not create album in Lychee (' . $newAlbumID . ')');
+					Log::error($this->database, __METHOD__, __LINE__, 'Could not create album in Lychee (' . $newAlbumID . ')');
 					continue;
 				}
 
-				$import = Import::server($newAlbumID, $file . '/');
+				$import = $this->server($file . '/', $newAlbumID);
 
 				if ($import!==true&&$import!=='Notice: Import only contains albums!') {
 					$error = true;
-					Log::error($database, __METHOD__, __LINE__, 'Could not import folder. Function returned warning');
+					Log::error($this->database, __METHOD__, __LINE__, 'Could not import folder. Function returned warning.');
 					continue;
 				}
 
@@ -164,13 +192,16 @@ class Import extends Module {
 
 		}
 
-		# Invoke plugins directly, as instance method not valid here
+		# Call plugins
 		# Note that updated albumId and path explicitly passed, rather
 		# than using func_get_args() which will only return original ones
-		$plugins->activate(__METHOD__ . ":after", array($albumID, $path));
+		$this->plugins(__METHOD__, 1, array($albumID, $path));
 
+		# The following returns will be caught in the front-end
 		if ($contains['photos']===false&&$contains['albums']===false)	return 'Warning: Folder empty or no readable files to process!';
-		if ($contains['photos']===false&&$contains['albums']===true)	return 'Notice: Import only contains albums!';
+		if ($contains['photos']===false&&$contains['albums']===true)	return 'Notice: Import only contained albums!';
+
+		if ($error===true) return false;
 		return true;
 
 	}