diff --git a/README.md b/README.md
index 91a4dff..7f98560 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,12 @@ Example
                         "type":"mage",
                         "structure":"file",
                         "path":"just a random file path"
+                    },
+                    {
+                        "type":"magelib",
+                        "structure":"dir",
+                        "path":"SomeNamespace",
+                        "from":"vendor/foo/bar/src/SomeNamespace"
                     }
                 ]
             }
@@ -138,6 +144,9 @@ It is very similar to modman but you need to tell magento the type, if it is a f
 
 `path` is the path to your source files.
 
+If you want to include an external library in your package, but on your machine it's located in another path (because
+it is a dependency installed via composer), you may specify the real path `from`.
+
 History
 =======
 This script was developed first within [https://github.com/Flagbit/Magento-FilterUrls].
diff --git a/src/shell/packager.php b/src/shell/packager.php
index 0e368f4..c90db48 100644
--- a/src/shell/packager.php
+++ b/src/shell/packager.php
@@ -191,6 +191,14 @@ public function getContent()
                 $ignore = $element->ignore;
             }
 
+            if(isset($element->from)) {
+                $mageTargets = new Mage_Connect_Package_Target();
+                $targetMap = $mageTargets->getTargets();
+
+                $link = BP . DS . $targetMap[$element->type] . DS . $element->path;
+                symlink(BP . DS . $element->from, $link);
+            }
+
             $contents["target"][$i] = $element->type;
             $contents["type"][$i] = $element->structure;
             $contents["path"][$i] = $element->path;