diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 62e8cf2..005266a 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -21,33 +21,60 @@ public function getConfigTreeBuilder()
 		$rootNode = $treeBuilder->root("jcid_loco");
 
 		$treeBuilder->root("jcid_loco")
-			->children()
-
-				// Config the locales to download
-				->arrayNode("locales")
-					->isRequired()
-					->requiresAtLeastOneElement()
-					->useAttributeAsKey("name")
-					->prototype("scalar")->end()
-				->end()
 
-				// Config the locales to download
-				->arrayNode("domains")
-					->isRequired()
-					->requiresAtLeastOneElement()
-					->prototype("scalar")->end()
-				->end()
+			// Verwerken opgegeven config
+			->beforeNormalization()
 
-				// Target dir
-				->scalarNode("target")
-					->defaultValue("%kernel.root_dir%/Resources/translations")
-				->end()
+				// Key is op root niveau ook mogelijk
+				->ifTrue(function ($v) {	return is_array($v) && array_key_exists("key", $v); })
+				->then(function ($v) {
+					// Key opslaan
+					$key = $v["key"];
+					unset($v["key"]);
 
-				// API Key
-				->scalarNode("key")
-					->isRequired()
-				->end()
+					// Key op array niveau plaatsen
+					foreach ($v as $code => $config) {
+						$v[$code]["key"] = $key;
+					}
+					return $v;
+				})
+
+				// Mogelijk maken om waardes op hoogste niveau op te geven als dit wenselijk is
+				->ifTrue(function ($v) {	return is_array($v) && array_key_exists("locales", $v); })
+				->then(function ($v) {		return array("default" => $v); })
+
+			->end()
+
+			// Minimaal een element nodig
+			->requiresAtLeastOneElement()
+			->useAttributeAsKey("name")
+			->prototype("array")
+				->addDefaultsIfNotSet()
+				->children()
+
+					// Config the locales to download
+					->arrayNode("locales")
+						->isRequired()
+						->requiresAtLeastOneElement()
+						->useAttributeAsKey("name")
+						->prototype("scalar")->end()
+					->end()
 
+					// Config the locales to download
+					->arrayNode("domains")
+						->isRequired()
+						->requiresAtLeastOneElement()
+						->prototype("scalar")->end()
+					->end()
+
+					// Extra params
+					->scalarNode("key")				->isRequired()->end()
+					->scalarNode("target")			->defaultValue("%kernel.root_dir%/Resources/translations")->end()
+					->scalarNode("extension")		->defaultValue("phps")->end()
+					->scalarNode("format")			->defaultValue("symfony")->end()
+					->scalarNode("index")			->defaultValue("id")->end()
+
+				->end()
 			->end()
 		->end();
 
diff --git a/DependencyInjection/JcidLocoExtension.php b/DependencyInjection/JcidLocoExtension.php
index 01424c9..74315df 100644
--- a/DependencyInjection/JcidLocoExtension.php
+++ b/DependencyInjection/JcidLocoExtension.php
@@ -20,9 +20,7 @@ public function load(array $configs, ContainerBuilder $container)
 		$configuration = $this->getConfiguration($configs, $container);
 		$config = $this->processConfiguration($configuration, $configs);
 
-		foreach ($config as $key => $value) {
-			$container->setParameter("jcid_loco.configuration.".$key, $value);
-		}
+		$container->setParameter("jcid_loco.configurations", $config);
 
 		$loader = new XmlFileLoader($container, new FileLocator(__DIR__."/../Resources/config"));
 		$loader->load("services.xml");
diff --git a/Loco/Downloader.php b/Loco/Downloader.php
index e2e63af..e86ead8 100644
--- a/Loco/Downloader.php
+++ b/Loco/Downloader.php
@@ -6,28 +6,40 @@
 
 class Downloader
 {
-	private $locales;
-	private $domains;
-	private $target;
-	private $client;
+	private $config;
 
-	public function __construct($locales, $domains, $target, $key)
+	public function __construct($config)
 	{
-		$this->locales	= $locales;
-		$this->domains	= $domains;
-		$this->target	= $target;
-
+		$this->config	= $config;
 		$this->client	= new Client("https://localise.biz/api/");
-		$this->client->setDefaultOption("query/key", $key);
 	}
 
 	public function download()
 	{
-		foreach ($this->locales as $localeKey => $localeValue) {
-			foreach ($this->domains as $domain) {
-				$response	= $this->client->get(sprintf("export/locale/%s.phps?format=symfony&index=id&filter=%s", $localeValue, $domain), array(), array(
-					"save_to"		=> sprintf("%s/%s.%s.phps", $this->target, $domain, $localeKey),
-				))->send();
+		foreach ($this->config as $name => $config) {
+			foreach ($config["locales"] as $localeKey => $localeValue) {
+				foreach ($config["domains"] as $domain) {
+
+					// Dir maken als deze niet bestaat
+					if (!is_dir($config["target"])) {
+						mkdir($config["target"], 0777, true);
+					}
+
+					// Basis query
+					$query = array(
+						"key"		=> $config["key"],
+						"format"	=> $config["format"],
+						"index"		=> $config["index"],
+						"filter"	=> $domain,
+					);
+
+					// Build url
+					$url		= sprintf("export/locale/%s.%s?%s", $localeValue, $config["extension"], http_build_query($query));
+					$savePath	= sprintf("%s/%s.%s.%s", $config["target"], $domain, $localeKey, $config["extension"]);
+
+					// Downloaden
+					$response	= $this->client->get($url, array(), array( "save_to" => $savePath))->send();
+				}
 			}
 		}
 	}
diff --git a/Resources/config/services.xml b/Resources/config/services.xml
index 0c8ade4..d9a33b9 100644
--- a/Resources/config/services.xml
+++ b/Resources/config/services.xml
@@ -14,10 +14,7 @@
 	<services>
 
 		<service id="jcid_loco.downloader" class="%jcid_loco.downloader.class%">
-			<argument>%jcid_loco.configuration.locales%</argument>
-			<argument>%jcid_loco.configuration.domains%</argument>
-			<argument>%jcid_loco.configuration.target%</argument>
-			<argument>%jcid_loco.configuration.key%</argument>
+			<argument>%jcid_loco.configurations%</argument>
 		</service>
 
 		<service id="jcid_loco.translation.phps" class="%jcid_loco.translation.phps.class%">