README has more detailed install instructions

README.md

@@ -1,13 +1,24 @@
 CakePHP Mailgun Plugin
 ======================
 
-Provides utilities for interacting with Mailgun in CakePHP.
+This package provides two Mailgun transports - one implemented using CakePHP's HttpRequest utility and the other using curl.
+
+Installation
+------------
+If you haven't already, sign up for a [Mailgun](http://www.mailgun.com/) account.
+
+Install this package as a [CakePHP Plugin](http://book.cakephp.org/2.0/en/plugins.html).
+
+    git clone https://github.com/kochb/cakephp-mailgun.git app/Plugin/Mailgun
+    # If you prefer, use a submodule
+    git submodule add https://github.com/kochb/cakephp-mailgun.git app/Plugin/Mailgun
+
+Load the plugin in your bootstrap.php.
+
+    CakePlugin::load('Mailgun');
 
 Usage
 -----
-This package currently provides two Mailgun transports - one implemented using
-CakePHP's HttpRequest utility and the other using curl.
-
 To enable the transport, add the following information to your Config/email.php:
 
     class EmailConfig {
@@ -18,3 +29,7 @@ To enable the transport, add the following information to your Config/email.php:
         );
     }
 
+
+Use the [CakeEmail class](http://book.cakephp.org/2.0/en/core-utility-libraries/email.html) as normal, invoking the new configuration settings.
+
+    $email = new CakeEmail('mailgun');